Category	Rule	Id	Description
Async	not-async-context-manager	E1701	Async context manager '%s' doesn't implement aenter and aexit. Used when an async context manager is used with an object that does not implement the async context management protocol. This message can't be emitted when using Python < 3.5.
Async	yield-inside-async-function	E1700	Yield inside async function Used when an yield or yield from statement is found inside an async function. This message can't be emitted when using Python < 3.5.
Basic	not-in-loop	E0103	%r not properly in loop Used when break or continue keywords are used outside a loop.
Basic	function-redefined	E0102	%s already defined line %s Used when a function / class / method is redefined.
Basic	continue-in-finally	E0116	"'continue' not supported inside 'finally' clause Emitted when the continue keyword is found inside a finally clause, which is a SyntaxError. This message can't be emitted when using Python >= 3.8."
Basic	abstract-class-instantiated	E0110	Abstract class %r with abstract methods instantiated Used when an abstract class with abc.ABCMeta as metaclass has abstract methods and is instantiated.
Basic	star-needs-assignment-target	E0114	Can use starred expression only in assignment target Emitted when a star expression is not used in an assignment target.
Basic	duplicate-argument-name	E0108	Duplicate argument name %s in function definition Duplicate argument names in function definitions are syntax errors.
Basic	return-in-init	E0101	Explicit return in init Used when the special class method init has an explicit return value.
Basic	too-many-star-expressions	E0112	More than one starred expression in assignment Emitted when there are more than one starred expressions (*x) in an assignment. This is a SyntaxError.
Basic	nonlocal-and-global	E0115	Name %r is nonlocal and global Emitted when a name is both nonlocal and global.
Basic	used-prior-global-declaration	E0118	"Name %r is used prior to global declaration Emitted when a name is used prior a global declaration, which results in an error since Python 3.6. This message can't be emitted when using Python < 3.6."
Basic	return-outside-function	E0104	"Return outside function Used when a ""return"" statement is found outside a function or method."
Basic	return-arg-in-generator	E0106	"Return with argument inside generator Used when a ""return"" statement with an argument is found outside in a generator function or method (e.g. with some ""yield"" statements). This message can't be emitted when using Python >= 3.3."
Basic	invalid-star-assignment-target	E0113	Starred assignment target must be in a list or tuple Emitted when a star expression is used as a starred assignment target.
Basic	bad-reversed-sequence	E0111	"The first reversed() argument is not a sequence Used when the first argument to reversed() builtin isn't a sequence (does not implement reversed, nor getitem and len"
Basic	nonexistent-operator	E0107	"Use of the non-existent %s operator Used when you attempt to use the C-style pre-increment or pre-decrement operator -- and ++, which doesn't exist in Python."
Basic	yield-outside-function	E0105	"Yield outside function Used when a ""yield"" statement is found outside a function or method."
Basic	init-is-generator	E0100	init method is a generator Used when the special class method init is turned into a generator by a yield in its body.
Basic	misplaced-format-function	E0119	"format function is not called on str Emitted when format function is not called on str object. e.g doing print(""value: {}"").format(123) instead of print(""value: {}"".format(123)). This might not be what the user intended to do."
Basic	nonlocal-without-binding	E0117	nonlocal name %s found without binding Emitted when a nonlocal variable does not have an attached name somewhere in the parent scopes
Basic	lost-exception	W0150	%s statement in finally block may swallow exception Used when a break or a return statement is found inside the finally clause of a try...finally block: the exceptions raised in the try clause will be silently swallowed instead of being re-raised.
Basic	assert-on-tuple	W0199	"Assert called on a 2-item-tuple. Did you mean 'assert x,y'? A call of assert on a tuple will always evaluate to true if the tuple is not empty, and will always evaluate to false if it is."
Basic	assert-on-string-literal	W0129	"Assert statement has a string literal as its first argument. The assert will %s fail. Used when an assert statement has a string literal as its first argument, which will cause the assert to always pass."
Basic	self-assigning-variable	W0127	Assigning the same variable %r to itself Emitted when we detect that a variable is assigned to itself
Basic	comparison-with-callable	W0143	"Comparing against a callable, did you omit the parenthesis? This message is emitted when pylint detects that a comparison with a callable was made, which might suggest that some parenthesis were omitted, resulting in potential unwanted behaviour."
Basic	nan-comparison	W0177	Comparison %s should be %s Used when an expression is compared to NaNvalues like numpy.NaN and float('nan')
Basic	dangerous-default-value	W0102	Dangerous default value %s as argument Used when a mutable value as list or dictionary is detected in a default value for an argument.
Basic	duplicate-key	W0109	Duplicate key %r in dictionary Used when a dictionary expression binds the same key multiple times.
Basic	useless-else-on-loop	W0120	"Else clause on loop without a break statement Loops should only have an else clause if they can exit early with a break statement, otherwise the statements under else should be on the same scope as the loop itself."
Basic	expression-not-assigned	W0106	"Expression ""%s"" is assigned to nothing Used when an expression that is not a function call is assigned to nothing. Probably something else was intended."
Basic	confusing-with-statement	W0124	"Following ""as"" with another context manager looks like a tuple. Emitted when a with statement component returns multiple values and uses name binding with as only for a part of those values, as in with ctx() as a, b. This can be misleading, since it's not clear if the context manager returns a tuple or if the node without a name binding is another context manager."
Basic	unnecessary-lambda	W0108	Lambda may not be necessary Used when the body of a lambda expression is a function call on the same argument list as the lambda itself; such lambda expressions are in all but a few cases replaceable with the function being called in the body of the lambda.
Basic	assign-to-new-keyword	W0111	Name %s will become a keyword in Python %s Used when assignment will become invalid in future Python release due to introducing new keyword.
Basic	redeclared-assigned-name	W0128	Redeclared variable %r in assignment Emitted when we detect that a variable was redeclared in the same assignment.
Basic	pointless-statement	W0104	Statement seems to have no effect Used when a statement doesn't have (or at least seems to) any effect.
Basic	pointless-string-statement	W0105	"String statement has no effect Used when a string is used as a statement (which of course has no effect). This is a particular case of W0104 with its own message so you can easily disable it if you're using those strings as documentation, instead of comments."
Basic	unnecessary-pass	W0107	"Unnecessary pass statement Used when a ""pass"" statement that can be avoided is encountered."
Basic	unreachable	W0101	"Unreachable code Used when there is some code behind a ""return"" or ""raise"" statement, which will never be accessed."
Basic	eval-used	W0123	"Use of eval Used when you use the ""eval"" function, to discourage its usage. Consider using ast.literal_eval for safely evaluating strings containing Python expressions from untrusted sources."
Basic	exec-used	W0122	"Use of exec Used when you use the ""exec"" statement (function for Python 3), to discourage its usage. That doesn't mean you cannot use it !"
Basic	using-constant-test	W0125	Using a conditional statement with a constant value Emitted when a conditional statement (If or ternary if) uses a constant value for its test. This might not be what the user intended to do.
Basic	missing-parentheses-for-call-in-test	W0126	Using a conditional statement with potentially wrong function or method call due to missing parentheses Emitted when a conditional statement (If or ternary if) seems to wrongly call a function due to missing parentheses
Basic	literal-comparison	R0123	"Comparison to literal Used when comparing an object to a literal, which is usually what you do not want to do, since you can compare to a different literal than what was expected altogether."
Basic	comparison-with-itself	R0124	Redundant comparison - %s Used when something is compared against itself.
Basic	non-ascii-name	C0144	"%s name ""%s"" contains a non-ASCII unicode character Used when the name contains at least one non-ASCII unicode character."
Basic	invalid-name	C0103	"%s name ""%s"" doesn't conform to %s Used when the name doesn't conform to naming rules associated to its type (constant, variable, class...)."
Basic	singleton-comparison	C0121	"Comparison %s should be %s Used when an expression is compared to singleton values like True, False or None."
Basic	misplaced-comparison-constant	C0122	Comparison should be %s Used when the constant is placed on the left side of a comparison. It is usually clearer in intent to place it in the right hand side of the comparison.
Basic	disallowed-name	C0104	"Disallowed name ""%s"" Used when the name matches bad-names or bad-names-rgxs- (unauthorized names)."
Basic	empty-docstring	C0112	"Empty %s docstring Used when a module, function, class or method has an empty docstring (it would be too easy ;)."
Basic	missing-class-docstring	C0115	Missing class docstring Used when a class has no docstring.Even an empty class must have a docstring.
Basic	missing-function-docstring	C0116	Missing function or method docstring Used when a function or method has no docstring.Some special methods like init do not require a docstring.
Basic	missing-module-docstring	C0114	Missing module docstring Used when a module has no docstring.Empty modules do not require a docstring.
Basic	unidiomatic-typecheck	C0123	"Use isinstance() rather than type() for a typecheck. The idiomatic way to perform an explicit typecheck in Python is to use isinstance(x, Y) rather than type(x) == Y, type(x) is Y. Though there are unusual situations where these give different results."
Classes	access-member-before-definition	E0203	Access to member %r before its definition line %s Used when an instance member is accessed before it's actually assigned.
Classes	method-hidden	E0202	An attribute defined in %s line %s hides this method Used when a class defines a method which is hidden by an instance attribute from an ancestor class or set by some client code.
Classes	assigning-non-slot	E0237	Assigning to attribute %r not defined in class slots Used when assigning to an attribute not defined in the class slots.
Classes	duplicate-bases	E0241	Duplicate bases for class %r Used when a class has duplicate bases.
Classes	inconsistent-mro	E0240	Inconsistent method resolution order for class %r Used when a class has an inconsistent method resolution order.
Classes	inherit-non-class	E0239	"Inheriting %r, which is not a class. Used when a class inherits from something which is not a class."
Classes	invalid-slots	E0238	"Invalid slots object Used when an invalid slots is found in class. Only a string, an iterable or a sequence is permitted."
Classes	invalid-slots-object	E0236	"Invalid object %r in slots, must contain only non empty strings Used when an invalid (non-string) object occurs in slots."
Classes	no-method-argument	E0211	Method has no argument Used when a method which should have the bound instance as first argument has no argument defined.
Classes	no-self-argument	E0213	"Method should have ""self"" as first argument Used when a method has an attribute different the ""self"" as first argument. This is considered as an error since this is a so common convention that you shouldn't break it!"
Classes	unexpected-special-method-signature	E0302	"The special method %r expects %s param(s), %d %s given Emitted when a special method was defined with an invalid number of parameters. If it has too few or too many, it might not work at all."
Classes	class-variable-slots-conflict	E0242	"Value %r in slots conflicts with class variable Used when a value in slots conflicts with a class variable, property or method."
Classes	invalid-bool-returned	E0304	bool does not return bool Used when a bool method returns something which is not a bool
Classes	invalid-bytes-returned	E0308	bytes does not return bytes Used when a bytes method returns something which is not bytes
Classes	invalid-format-returned	E0311	format does not return str Used when a format method returns something which is not a string
Classes	invalid-getnewargs-returned	E0312	getnewargs does not return a tuple Used when a getnewargs method returns something which is not a tuple
Classes	invalid-getnewargs-ex-returned	E0313	"getnewargs_ex does not return a tuple containing (tuple, dict) Used when a getnewargs_ex method returns something which is not of the form tuple(tuple, dict)"
Classes	invalid-hash-returned	E0309	hash does not return int Used when a hash method returns something which is not an integer
Classes	invalid-index-returned	E0305	index does not return int Used when an index method returns something which is not an integer
Classes	non-iterator-returned	E0301	iter returns non-iterator Used when an iter method returns something which is not an iterable (i.e. has no next method)
Classes	invalid-length-returned	E0303	len does not return non-negative integer Used when a len method returns something which is not a non-negative integer
Classes	invalid-length-hint-returned	E0310	length_hint does not return non-negative integer Used when a length_hint method returns something which is not a non- negative integer
Classes	invalid-repr-returned	E0306	repr does not return str Used when a repr method returns something which is not a string
Classes	invalid-str-returned	E0307	str does not return str Used when a str method returns something which is not a string
Classes	protected-access	W0212	Access to a protected member %s of a client class Used when a protected member (i.e. class member with a name beginning with an underscore) is access outside the class or a descendant of the class where it's defined.
Classes	attribute-defined-outside-init	W0201	Attribute %r defined outside init Used when an instance attribute is defined outside the init method.
Classes	no-init	W0232	"Class has no init method Used when a class has no init method, neither its parent classes."
Classes	abstract-method	W0223	Method %r is abstract in class %r but is not overridden Used when an abstract method (i.e. raise NotImplementedError) is not overridden in concrete class.
Classes	invalid-overridden-method	W0236	"Method %r was expected to be %r, found it instead as %r Used when we detect that a method was overridden in a way that does not match its base class which could result in potential bugs at runtime."
Classes	arguments-differ	W0221	Parameters differ from %s %r method Used when a method has a different number of arguments than in the implemented interface or in an overridden method.
Classes	signature-differs	W0222	Signature differs from %s %r method Used when a method signature is different than in the implemented interface or in an overridden method.
Classes	bad-staticmethod-argument	W0211	"Static method with %r as first argument Used when a static method has ""self"" or a value specified in valid- classmethod-first-arg option or valid-metaclass-classmethod-first-arg option as first argument."
Classes	useless-super-delegation	W0235	"Useless super delegation in method %r Used whenever we can detect that an overridden method is useless, relying on super() delegation to do the same thing as another method from the MRO."
Classes	non-parent-init-called	W0233	init method from a non direct base class %r is called Used when an init method is called on a class which is not in the direct ancestors for the analysed class.
Classes	super-init-not-called	W0231	init method from base class %r is not called Used when an ancestor class method has an init method which is not called by a derived class.
Classes	property-with-parameters	R0206	"Cannot have defined parameters for properties Used when we detect that a property also has parameters, which are useless, given that properties cannot be called with additional arguments."
Classes	useless-object-inheritance	R0205	"Class %r inherits from object, can be safely removed from bases in python3 Used when a class inherit from object, which under python3 is implicit, hence can be safely removed from bases."
Classes	no-classmethod-decorator	R0202	Consider using a decorator instead of calling classmethod Used when a class method is defined without using the decorator syntax.
Classes	no-staticmethod-decorator	R0203	Consider using a decorator instead of calling staticmethod Used when a static method is defined without using the decorator syntax.
Classes	no-self-use	R0201	"Method could be a function Used when a method doesn't use its bound instance, and so could be written as a function."
Classes	single-string-used-for-slots	C0205	"Class slots should be a non-string iterable Used when a class slots is a simple string, rather than an iterable."
Classes	bad-classmethod-argument	C0202	"Class method %s should have %s as first argument Used when a class method has a first argument named differently than the value specified in valid-classmethod-first-arg option (default to ""cls""), recommended to easily differentiate them from regular instance methods."
Classes	bad-mcs-classmethod-argument	C0204	"Metaclass class method %s should have %s as first argument Used when a metaclass class method has a first argument named differently than the value specified in valid-metaclass-classmethod-first-arg option (default to ""mcs""), recommended to easily differentiate them from regular instance methods."
Classes	bad-mcs-method-argument	C0203	"Metaclass method %s should have %s as first argument Used when a metaclass method has a first argument named differently than the value specified in valid-classmethod-first-arg option (default to ""cls""), recommended to easily differentiate them from regular instance methods."
Classes	method-check-failed	F0202	Unable to check methods signature (%s / %s) Used when Pylint has been unable to check methods signature compatibility for an unexpected reason. Please report this kind if you don't make sense of it.
Design	too-few-public-methods	R0903	"Too few public methods (%s/%s) Used when class has too few public methods, so be sure it's really worth it."
Design	too-many-ancestors	R0901	"Too many ancestors (%s/%s) Used when class has too many parent classes, try to reduce this to get a simpler (and so easier to use) class."
Design	too-many-arguments	R0913	Too many arguments (%s/%s) Used when a function or method takes too many arguments.
Design	too-many-boolean-expressions	R0916	Too many boolean expressions in if statement (%s/%s) Used when an if statement contains too many boolean expressions.
Design	too-many-branches	R0912	"Too many branches (%s/%s) Used when a function or method has too many branches, making it hard to follow."
Design	too-many-instance-attributes	R0902	"Too many instance attributes (%s/%s) Used when class has too many instance attributes, try to reduce this to get a simpler (and so easier to use) class."
Design	too-many-locals	R0914	Too many local variables (%s/%s) Used when a function or method has too many local variables.
Design	too-many-public-methods	R0904	"Too many public methods (%s/%s) Used when class has too many public methods, try to reduce this to get a simpler (and so easier to use) class."
Design	too-many-return-statements	R0911	"Too many return statements (%s/%s) Used when a function or method has too many return statement, making it hard to follow."
Design	too-many-statements	R0915	Too many statements (%s/%s) Used when a function or method has too many statements. You should then split it in smaller functions / methods.
Exceptions	bad-except-order	E0701	"Bad except clauses order (%s) Used when except clauses are not in the correct order (from the more specific to the more generic). If you don't fix the order, some exceptions may not be caught by the most specific handler."
Exceptions	catching-non-exception	E0712	Catching an exception which doesn't inherit from Exception: %s Used when a class which doesn't inherit from Exception is used as an exception in an except clause.
Exceptions	bad-exception-context	E0703	"Exception context set to something which is not an exception, nor None Used when using the syntax ""raise ... from ..."", where the exception context is not an exception, nor None."
Exceptions	notimplemented-raised	E0711	NotImplemented raised - should raise NotImplementedError Used when NotImplemented is raised instead of NotImplementedError
Exceptions	raising-bad-type	E0702	"Raising %s while only classes or instances are allowed Used when something which is neither a class, an instance or a string is raised (i.e. a TypeError will be raised)."
Exceptions	raising-non-exception	E0710	Raising a new style class which doesn't inherit from BaseException Used when a new style class which doesn't inherit from BaseException is raised.
Exceptions	misplaced-bare-raise	E0704	"The raise statement is not inside an except clause Used when a bare raise is not used inside an except clause. This generates an error, since there are no active exceptions to be reraised. An exception to this rule is represented by a bare raise inside a finally clause, which might work, as long as an exception is raised inside the try block, but it is nevertheless a code smell that must not be relied upon."
Exceptions	duplicate-except	W0705	Catching previously caught exception type %s Used when an except catches a type that was already caught by a previous handler.
Exceptions	broad-except	W0703	"Catching too general exception %s Used when an except catches a too general exception, possibly burying unrelated errors."
Exceptions	raise-missing-from	W0707	"Consider explicitly re-raising using the 'from' keyword Python 3's exception chaining means it shows the traceback of the current exception, but also the original exception. Not using raise from makes the traceback inaccurate, because the message implies there is a bug in the exception-handling code itself, which is a separate situation than wrapping an exception."
Exceptions	raising-format-tuple	W0715	"Exception arguments suggest string formatting might be intended Used when passing multiple arguments to an exception constructor, the first of them a string literal containing what appears to be placeholders intended for formatting"
Exceptions	binary-op-exception	W0711	"Exception to catch is the result of a binary ""%s"" operation Used when the exception to catch is of the form ""except A or B:"". If intending to catch multiple, rewrite as ""except (A, B):"""
Exceptions	wrong-exception-operation	W0716	"Invalid exception operation. %s Used when an operation is done against an exception, but the operation is not valid for the exception in question. Usually emitted when having binary operations between exceptions in except handlers."
Exceptions	bare-except	W0702	No exception type(s) specified Used when an except clause doesn't specify exceptions type to catch.
Exceptions	try-except-raise	W0706	The except handler raises immediately Used when an except handler uses raise as its first or only operator. This is useless because it raises back the exception immediately. Remove the raise operator or the entire try-except-raise block!
Format	bad-indentation	W0311	"Bad indentation. Found %s %s, expected %s Used when an unexpected number of indentation's tabulations or spaces has been found."
Format	unnecessary-semicolon	W0301	"Unnecessary semicolon Used when a statement is ended by a semi-colon ("";""), which isn't necessary (that's python, not C ;)."
Format	missing-final-newline	C0304	Final newline missing Used when the last line in a file is missing a newline.
Format	line-too-long	C0301	Line too long (%s/%s) Used when a line is longer than a given number of characters.
Format	mixed-line-endings	C0327	Mixed line endings LF and CRLF Used when there are mixed (LF and CRLF) newline signs in a file.
Format	multiple-statements	C0321	More than one statement on a single line Used when more than on statement are found on the same line.
Format	too-many-lines	C0302	"Too many lines in module (%s/%s) Used when a module has too many lines, reducing its readability."
Format	trailing-newlines	C0305	Trailing newlines Used when there are trailing blank lines in a file.
Format	trailing-whitespace	C0303	Trailing whitespace Used when there is whitespace between the end of a line and the newline.
Format	unexpected-line-ending-format	C0328	Unexpected line ending format. There is '%s' while it should be '%s'. Used when there is different newline than expected.
Format	superfluous-parens	C0325	"Unnecessary parens after %r keyword Used when a single item in parentheses follows an if, for, or other keyword."
Imports	relative-beyond-top-level	E0402	Attempted relative import beyond top-level package Used when a relative import tries to access too many levels in the current package.
Imports	import-error	E0401	Unable to import %s Used when pylint has been unable to import a module.
Imports	import-self	W0406	Module import itself Used when a module is importing itself.
Imports	preferred-module	W0407	Prefer importing %r instead of %r Used when a module imported has a preferred replacement module.
Imports	reimported	W0404	Reimport %r (imported line %s) Used when a module is reimported multiple times.
Imports	deprecated-module	W0402	Uses of a deprecated module %r Used a module marked as deprecated is imported.
Imports	wildcard-import	W0401	Wildcard import %s Used when from module import * is detected.
Imports	misplaced-future	W0410	future import is not the first non docstring statement Python 2.5 and greater require future import to be the first non docstring statement in the module.
Imports	cyclic-import	R0401	Cyclic import (%s) Used when a cyclic import between two or more modules is detected.
Imports	wrong-import-order	C0411	"%s should be placed before %s Used when PEP8 import order is not respected (standard imports first, then third-party libraries, then local imports)"
Imports	wrong-import-position	C0413	"Import ""%s"" should be placed at the top of the module Used when code and imports are mixed"
Imports	useless-import-alias	C0414	Import alias does not rename original package Used when an import alias is same as original package.e.g using import numpy as numpy instead of import numpy as np
Imports	import-outside-toplevel	C0415	Import outside toplevel (%s) Used when an import statement is used anywhere other than the module toplevel. Move this import to the top of the file.
Imports	ungrouped-imports	C0412	Imports from package %s are not grouped Used when imports are not grouped by packages
Imports	multiple-imports	C0410	Multiple imports on one line (%s) Used when import statement importing multiple modules is detected.
Logging	logging-format-truncated	E1201	Logging format string ends in middle of conversion specifier Used when a logging statement format string terminates before the end of a conversion specifier.
Logging	logging-too-few-args	E1206	Not enough arguments for logging format string Used when a logging format string is given too few arguments.
Logging	logging-too-many-args	E1205	Too many arguments for logging format string Used when a logging format string is given too many arguments.
Logging	logging-unsupported-format	E1200	Unsupported logging format character %r (%#02x) at index %d Used when an unsupported format character is used in a logging statement format string.
Logging	logging-format-interpolation	W1202	"Use %s formatting in logging functions Used when a logging statement has a call form of ""logging.(format_string.format(format_args...))"". Use another type of string formatting instead. You can use % formatting but leave interpolation to the logging function by passing the parameters as arguments. If logging-fstring- interpolation is disabled then you can use fstring formatting. If logging- not-lazy is disabled then you can use % formatting as normal."
Logging	logging-fstring-interpolation	W1203	"Use %s formatting in logging functions Used when a logging statement has a call form of ""logging.(f""..."")"".Use another type of string formatting instead. You can use % formatting but leave interpolation to the logging function by passing the parameters as arguments. If logging-format-interpolation is disabled then you can use str.format. If logging-not-lazy is disabled then you can use % formatting as normal."
Logging	logging-not-lazy	W1201	"Use %s formatting in logging functions Used when a logging statement has a call form of ""logging.(format_string % (format_args...))"". Use another type of string formatting instead. You can use % formatting but leave interpolation to the logging function by passing the parameters as arguments. If logging-fstring- interpolation is disabled then you can use fstring formatting. If logging- format-interpolation is disabled then you can use str.format."
Miscellaneous	fixme	W0511	Used when a warning note as FIXME or XXX is detected.
Miscellaneous	use-symbolic-message-instead	I0023	Used when a message is enabled or disabled by id.
Newstyle	bad-super-call	E1003	Bad first argument %r given to super() Used when another argument than the current class is given as first argument of the super builtin.
Python3	unpacking-in-except	E1603	Implicit unpacking of exceptions is not supported in Python 3 Python3 will not allow implicit unpacking of exceptions in except clauses. See https://www.python.org/dev/peps/pep-3110/
Python3	import-star-module-level	E1609	Import * only allowed at module level Used when the import star syntax is used somewhere else than the module level. This message can't be emitted when using Python >= 3.0.
Python3	non-ascii-bytes-literal	E1610	Non-ascii bytes literals not supported in 3.x Used when non-ascii bytes literals are found in a program. They are no longer supported in Python 3. This message can't be emitted when using Python >= 3.0.
Python3	parameter-unpacking	E1602	Parameter unpacking specified Used when parameter unpacking is specified for a function(Python 3 doesn't allow it)
Python3	long-suffix	E1606	"Use of long suffix Used when ""l"" or ""L"" is used to mark a long integer. This will not work in Python 3, since int and long types have merged. This message can't be emitted when using Python >= 3.0."
Python3	old-octal-literal	E1608	"Use of old octal literal Used when encountering the old octal syntax, removed in Python 3. To use the new syntax, prepend 0o on the number. This message can't be emitted when using Python >= 3.0."
Python3	old-ne-operator	E1607	"Use of the <> operator Used when the deprecated ""<>"" operator is used instead of ""!="". This is removed in Python 3. This message can't be emitted when using Python >= 3.0."
Python3	backtick	E1605	"Use of the `operator Used when the deprecated ""`"" (backtick) operator is used instead of the str() function."
Python3	old-raise-syntax	E1604	"Use raise ErrorClass(args) instead of raise ErrorClass, args. Used when the alternate raise syntax 'raise foo, bar' is used instead of 'raise foo(bar)'."
Python3	print-statement	E1601	print statement used Used when a print statement is used (print is a function in Python 3)
Python3	deprecated-types-field	W1652	Accessing a deprecated fields on the types module Used when accessing a field on types that has been removed in Python 3.
Python3	deprecated-itertools-function	W1651	Accessing a deprecated function on the itertools module Used when accessing a function on itertools that has been removed in Python 3.
Python3	deprecated-string-function	W1649	Accessing a deprecated function on the string module Used when accessing a string function that has been deprecated in Python 3.
Python3	deprecated-operator-function	W1657	Accessing a removed attribute on the operator module Used when accessing a field on operator module that has been removed in Python 3.
Python3	deprecated-sys-function	W1660	Accessing a removed attribute on the sys module Used when accessing a field on sys module that has been removed in Python 3.
Python3	deprecated-urllib-function	W1658	Accessing a removed attribute on the urllib module Used when accessing a field on urllib module that has been removed or moved in Python 3.
Python3	xreadlines-attribute	W1659	"Accessing a removed xreadlines attribute Used when accessing the xreadlines() function on a file stream, removed in Python 3."
Python3	metaclass-assignment	W1623	Assigning to a class's metaclass attribute Used when a metaclass is specified by assigning to metaclass (Python 3 specifies the metaclass as a class statement argument)
Python3	next-method-called	W1622	Called a next() method on an object Used when an object's next() method is called (Python 3 uses the next() built-in function)
Python3	dict-iter-method	W1620	"Calling a dict.iter*() method Used for calls to dict.iterkeys(), itervalues() or iteritems() (Python 3 lacks these methods)"
Python3	dict-view-method	W1621	"Calling a dict.view*() method Used for calls to dict.viewkeys(), viewvalues() or viewitems() (Python 3 lacks these methods)"
Python3	exception-message-attribute	W1645	Exception.message removed in Python 3 Used when the message attribute is accessed on an Exception. Use str(exception) instead.
Python3	eq-without-hash	W1641	"Implementing eq without also implementing hash Used when a class implements eq but not hash. In Python 2, objects get object.hash as the default implementation, in Python 3 objects get None as their default hash implementation if they also implement eq."
Python3	indexing-exception	W1624	Indexing exceptions will not work on Python 3 Indexing exceptions will not work on Python 3. Use exception.args[index] instead.
Python3	bad-python3-import	W1648	Module moved in Python 3 Used when importing a module that no longer exists in Python 3.
Python3	raising-string	W1625	Raising a string exception Used when a string exception is raised. This will not work on Python 3.
Python3	standarderror-builtin	W1611	StandardError built-in referenced Used when the StandardError built-in function is referenced (missing from Python 3)
Python3	comprehension-escape	W1662	"Using a variable that was bound inside a comprehension Emitted when using a variable, that was bound in a comprehension handler, outside of the comprehension itself. On Python 3 these variables will be deleted outside of the comprehension."
Python3	exception-escape	W1661	"Using an exception object that was bound by an except handler Emitted when using an exception, that was bound in an except handler, outside of the except handler. On Python 3 these exceptions will be deleted once they get out of the except handler."
Python3	deprecated-str-translate-call	W1650	Using str.translate with deprecated deletechars parameters Used when using the deprecated deletechars parameters from str.translate. Use re.sub to remove the desired characters
Python3	using-cmp-argument	W1640	"Using the cmp argument for list.sort / sorted Using the cmp argument for list.sort or the sorted builtin should be avoided, since it was removed in Python 3. Using either key or functools.cmp_to_key should be preferred."
Python3	cmp-method	W1630	cmp method defined Used when a cmp method is defined (method is not used by Python 3)
Python3	coerce-method	W1614	coerce method defined Used when a coerce method is defined (method is not used by Python 3)
Python3	delslice-method	W1615	delslice method defined Used when a delslice method is defined (method is not used by Python 3)
Python3	div-method	W1642	div method defined Used when a div method is defined. Using truediv and setting__div__ = truediv should be preferred.(method is not used by Python 3)
Python3	getslice-method	W1616	getslice method defined Used when a getslice method is defined (method is not used by Python 3)
Python3	hex-method	W1628	hex method defined Used when a hex method is defined (method is not used by Python 3)
Python3	idiv-method	W1643	idiv method defined Used when an idiv method is defined. Using itruediv and setting__idiv__ = itruediv should be preferred.(method is not used by Python 3)
Python3	nonzero-method	W1629	nonzero method defined Used when a nonzero method is defined (method is not used by Python 3)
Python3	oct-method	W1627	oct method defined Used when an oct method is defined (method is not used by Python 3)
Python3	rdiv-method	W1644	rdiv method defined Used when a rdiv method is defined. Using rtruediv and setting__rdiv__ = rtruediv should be preferred.(method is not used by Python 3)
Python3	setslice-method	W1617	setslice method defined Used when a setslice method is defined (method is not used by Python 3)
Python3	apply-builtin	W1601	apply built-in referenced Used when the apply built-in function is referenced (missing from Python 3)
Python3	basestring-builtin	W1602	basestring built-in referenced Used when the basestring built-in function is referenced (missing from Python 3)
Python3	buffer-builtin	W1603	buffer built-in referenced Used when the buffer built-in function is referenced (missing from Python 3)
Python3	cmp-builtin	W1604	cmp built-in referenced Used when the cmp built-in function is referenced (missing from Python 3)
Python3	coerce-builtin	W1605	coerce built-in referenced Used when the coerce built-in function is referenced (missing from Python 3)
Python3	dict-items-not-iterating	W1654	dict.items referenced when not iterating Used when dict.items is referenced in a non-iterating context (returns an iterator in Python 3)
Python3	dict-keys-not-iterating	W1655	dict.keys referenced when not iterating Used when dict.keys is referenced in a non-iterating context (returns an iterator in Python 3)
Python3	dict-values-not-iterating	W1656	dict.values referenced when not iterating Used when dict.values is referenced in a non-iterating context (returns an iterator in Python 3)
Python3	old-division	W1619	division w/o future statement Used for non-floor division w/o a float literal or from future import division (Python 3 returns a float for int division unconditionally)
Python3	execfile-builtin	W1606	execfile built-in referenced Used when the execfile built-in function is referenced (missing from Python 3)
Python3	file-builtin	W1607	file built-in referenced Used when the file built-in function is referenced (missing from Python 3)
Python3	filter-builtin-not-iterating	W1639	filter built-in referenced when not iterating Used when the filter built-in is referenced in a non-iterating context (returns an iterator in Python 3)
Python3	no-absolute-import	W1618	import missing `from __future__ import absolute_import` Used when an import is not accompanied by from future import absolute_import (default behaviour in Python 3)
Python3	input-builtin	W1632	input built-in referenced Used when the input built-in is referenced (backwards-incompatible semantics in Python 3)
Python3	intern-builtin	W1634	intern built-in referenced Used when the intern built-in is referenced (Moved to sys.intern in Python 3)
Python3	long-builtin	W1608	long built-in referenced Used when the long built-in function is referenced (missing from Python 3)
Python3	map-builtin-not-iterating	W1636	map built-in referenced when not iterating Used when the map built-in is referenced in a non-iterating context (returns an iterator in Python 3)
Python3	next-method-defined	W1653	next method defined Used when a next method is defined that would be an iterator in Python 2 but is treated as a normal function in Python 3.
Python3	invalid-str-codec	W1646	non-text encoding used in str.decode Used when using str.encode or str.decode with a non-text encoding. Use codecs module to handle arbitrary codecs.
Python3	range-builtin-not-iterating	W1638	range built-in referenced when not iterating Used when the range built-in is referenced in a non-iterating context (returns a range in Python 3)
Python3	raw_input-builtin	W1609	raw_input built-in referenced Used when the raw_input built-in function is referenced (missing from Python 3)
Python3	reduce-builtin	W1610	reduce built-in referenced Used when the reduce built-in function is referenced (missing from Python 3)
Python3	reload-builtin	W1626	reload built-in referenced Used when the reload built-in function is referenced (missing from Python 3). You can use instead imp.reload or importlib.reload.
Python3	round-builtin	W1633	round built-in referenced Used when the round built-in is referenced (backwards-incompatible semantics in Python 3)
Python3	sys-max-int	W1647	sys.maxint removed in Python 3 Used when accessing sys.maxint. Use sys.maxsize instead.
Python3	unichr-builtin	W1635	unichr built-in referenced Used when the unichr built-in is referenced (Use chr in Python 3)
Python3	unicode-builtin	W1612	unicode built-in referenced Used when the unicode built-in function is referenced (missing from Python 3)
Python3	xrange-builtin	W1613	xrange built-in referenced Used when the xrange built-in function is referenced (missing from Python 3)
Python3	zip-builtin-not-iterating	W1637	zip built-in referenced when not iterating Used when the zip built-in is referenced in a non-iterating context (returns an iterator in Python 3)
Refactoring	simplifiable-condition	R1726	Boolean condition '%s' may be simplified to '%s' Emitted when a boolean condition is able to be simplified.
Refactoring	condition-evals-to-constant	R1727	Boolean condition '%s' will always evaluate to '%s' Emitted when a boolean condition can be simplified to a constant value.
Refactoring	simplify-boolean-expression	R1709	Boolean expression may be simplified to %s Emitted when redundant pre-python 2.5 ternary syntax is used.
Refactoring	consider-using-in	R1714	"Consider merging these comparisons with ""in"" to %r To check if a variable is equal to one of many values,combine the values into a tuple and check if the variable is contained ""in"" it instead of checking for equality against each of the values.This is faster and less verbose."
Refactoring	consider-merging-isinstance	R1701	"Consider merging these isinstance calls to isinstance(%s, (%s)) Used when multiple consecutive isinstance calls can be merged into one."
Refactoring	consider-using-max-builtin	R1731	Consider using '%s' instead of unnecessary if block Using the max builtin instead of a conditional improves readability and conciseness.
Refactoring	consider-using-min-builtin	R1730	Consider using '%s' instead of unnecessary if block Using the min builtin instead of a conditional improves readability and conciseness.
Refactoring	consider-using-with	R1732	Consider using 'with' for resource-allocating operations Emitted if a resource-allocating assignment or call may be replaced by a 'with' block. By using 'with' the release of the allocated resources is ensured even in the case of an exception.
Refactoring	super-with-arguments	R1725	Consider using Python 3 style super() without arguments Emitted when calling the super() builtin with the current class and instance. On Python 3 these arguments are the default and they can be omitted.
Refactoring	consider-using-dict-comprehension	R1717	"Consider using a dictionary comprehension Emitted when we detect the creation of a dictionary using the dict() callable and a transient list. Although there is nothing syntactically wrong with this code, it is hard to read and can be simplified to a dict comprehension.Also it is faster since you don't need to create another transient list"
Refactoring	consider-using-generator	R1728	Consider using a generator instead '%s(%s)' If your container can be large using a generator will bring better performance.
Refactoring	consider-using-set-comprehension	R1718	"Consider using a set comprehension Although there is nothing syntactically wrong with this code, it is hard to read and can be simplified to a set comprehension.Also it is faster since you don't need to create another transient list"
Refactoring	consider-using-get	R1715	"Consider using dict.get for getting values from a dict if a key is present or a default if not Using the builtin dict.get for getting a value from a dictionary if a key is present or a default if not, is simpler and considered more idiomatic, although sometimes a bit slower"
Refactoring	consider-using-join	R1713	"Consider using str.join(sequence) for concatenating strings from an iterable Using str.join(sequence) is faster, uses less memory and increases readability compared to for-loop iteration."
Refactoring	consider-using-sys-exit	R1722	"Consider using sys.exit() Instead of using exit() or quit(), consider using the sys.exit()."
Refactoring	consider-using-ternary	R1706	Consider using ternary (%s) Used when one of known pre-python 2.5 ternary syntax is used.
Refactoring	consider-swap-variables	R1712	"Consider using tuple unpacking for swapping variables You do not have to use a temporary variable in order to swap variables. Using ""tuple unpacking"" to directly swap variables makes the intention more clear."
Refactoring	trailing-comma-tuple	R1707	"Disallow trailing comma tuple In Python, a tuple is actually created by the comma symbol, not by the parentheses. Unfortunately, one can actually create a tuple by misplacing a trailing comma, which can lead to potential weird bugs in your code. You should always use parentheses explicitly for creating a tuple."
Refactoring	stop-iteration-return	R1708	"Do not raise StopIteration in generator, use return statement instead According to PEP479, the raise of StopIteration to end the loop of a generator may lead to hard to find bugs. This PEP specify that raise StopIteration has to be replaced by a simple return statement"
Refactoring	inconsistent-return-statements	R1710	"Either all return statements in a function should return an expression, or none of them should. According to PEP8, if any return statement returns an expression, any return statements where no value is returned should explicitly state this as return None, and an explicit return statement should be present at the end of the function (if reachable)"
Refactoring	redefined-argument-from-local	R1704	"Redefining argument with the local name %r Used when a local name is redefining an argument, which might suggest a potential error. This is taken in account only for a handful of name binding operations, such as for iteration, with statement assignment and exception handler assignment."
Refactoring	chained-comparison	R1716	"Simplify chained comparison between the operands This message is emitted when pylint encounters boolean operation like""a < b and b < c"", suggesting instead to refactor it to ""a < b < c"""
Refactoring	simplifiable-if-expression	R1719	The if expression can be replaced with %s Used when an if expression can be replaced with 'bool(test)'.
Refactoring	simplifiable-if-statement	R1703	The if statement can be replaced with %s Used when an if statement can be replaced with 'bool(test)'.
Refactoring	too-many-nested-blocks	R1702	Too many nested blocks (%s/%s) Used when a function or a method has too many nested blocks. This makes the code less understandable and maintainable.
Refactoring	no-else-break	R1723	"Unnecessary ""%s"" after ""break"" Used in order to highlight an unnecessary block of code following an if containing a break statement. As such, it will warn when it encounters an else following a chain of ifs, all of them containing a break statement."
Refactoring	no-else-continue	R1724	"Unnecessary ""%s"" after ""continue"" Used in order to highlight an unnecessary block of code following an if containing a continue statement. As such, it will warn when it encounters an else following a chain of ifs, all of them containing a continue statement."
Refactoring	no-else-raise	R1720	"Unnecessary ""%s"" after ""raise"" Used in order to highlight an unnecessary block of code following an if containing a raise statement. As such, it will warn when it encounters an else following a chain of ifs, all of them containing a raise statement."
Refactoring	no-else-return	R1705	"Unnecessary ""%s"" after ""return"" Used in order to highlight an unnecessary block of code following an if containing a return statement. As such, it will warn when it encounters an else following a chain of ifs, all of them containing a return statement."
Refactoring	unnecessary-comprehension	R1721	"Unnecessary use of a comprehension Instead of using an identity comprehension, consider using the list, dict or set constructor. It is faster and simpler."
Refactoring	use-a-generator	R1729	Use a generator instead '%s(%s)' Comprehension inside of 'any' or 'all' is unnecessary. A generator would be sufficient and faster.
Refactoring	useless-return	R1711	"Useless return at end of function or method Emitted when a single ""return"" or ""return None"" statement is found at the end of function or method definition. This statement can safely be removed because Python will implicitly return None"
Refactoring	unneeded-not	C0113	"Consider changing ""%s"" to ""%s"" Used when a boolean expression contains an unneeded negation."
Refactoring	consider-iterating-dictionary	C0201	"Consider iterating the dictionary directly instead of calling .keys() Emitted when the keys of a dictionary are iterated through the .keys() method. It is enough to just iterate through the dictionary itself, as in ""for key in dictionary""."
Refactoring	consider-using-enumerate	C0200	Consider using enumerate instead of iterating with range and len Emitted when code that iterates with range and len is encountered. Such code can be simplified by using the enumerate builtin.
Refactoring	len-as-condition	C1801	"Do not use `len(SEQUENCE)` without comparison to determine if a sequence is empty Used when Pylint detects that len(sequence) is being used without explicit comparison inside a condition to determine if a sequence is empty. Instead of coercing the length to a boolean, either rely on the fact that empty sequences are false or compare the length against a scalar."
Similarities	duplicate-code	R0801	Similar lines in %s files Indicates that a set of similar lines has been detected among multiple file. This usually means that the code should be refactored to avoid this duplication.
Spelling	invalid-characters-in-docstring	C0403	Invalid characters %r in a docstring Used when a word in docstring cannot be checked by enchant.
Spelling	wrong-spelling-in-comment	C0401	Wrong spelling of a word '%s' in a comment: Used when a word in comment is not spelled correctly.
Spelling	wrong-spelling-in-docstring	C0402	Wrong spelling of a word '%s' in a docstring: Used when a word in docstring is not spelled correctly.
Stdlib	invalid-envvar-value	E1507	%s does not support %s type argument Env manipulation functions support only string type arguments. See https://docs.python.org/3/library/os.html#os.getenv.
Stdlib	bad-open-mode	W1501	"%s is not a valid mode for open. Python supports: r, w, a[, x] modes with b, +, and U (only with r) options. See https://docs.python.org/2/library/functions.html#open"
Stdlib	invalid-envvar-default	W1508	%s default type is %s. Expected str or None. Env manipulation functions return None or str values. Supplying anything different as a default may cause bugs. See https://docs.python.org/3/library/os.html#os.getenv.
Stdlib	redundant-unittest-assert	W1503	"Redundant use of %s with constant value %r The first argument of assertTrue and assertFalse is a condition. If a constant is passed as parameter, that condition will be always true. In this case a warning should be emitted."
Stdlib	shallow-copy-environ	W1507	"Using copy.copy(os.environ). Use os.environ.copy() instead. os.environ is not a dict object but proxy object, so shallow copy has still effects on original object. See https://bugs.python.org/issue15373 for reference."
Stdlib	boolean-datetime	W1502	Using datetime.time in a boolean context. Using datetime.time in a boolean context can hide subtle bugs when the time they represent matches midnight UTC. This behaviour was fixed in Python 3.5. See https://bugs.python.org/issue13936 for reference. This message can't be emitted when using Python >= 3.5.
Stdlib	deprecated-argument	W1511	Using deprecated argument %s of method %s() The argument is marked as deprecated and will be removed in the future.
Stdlib	deprecated-class	W1512	Using deprecated class %s of module %s The class is marked as deprecated and will be removed in the future.
Stdlib	deprecated-method	W1505	Using deprecated method %s() The method is marked as deprecated and will be removed in a future version of Python. Consider looking for an alternative in the documentation.
Stdlib	subprocess-popen-preexec-fn	W1509	"Using preexec_fn keyword which may be unsafe in the presence of threads The preexec_fn parameter is not safe to use in the presence of threads in your application. The child process could deadlock before exec is called. If you must use it, keep it trivial! Minimize the number of libraries you call into.https://docs.python.org/3/library/subprocess.html#popen-constructor"
Stdlib	subprocess-run-check	W1510	Using subprocess.run without explicitly set `check` is not recommended. The check parameter should always be used with explicitly set check keyword to make clear what the error-handling behavior is.https://docs.python.org/3/library/subprocess.html#subprocess.run
Stdlib	bad-thread-instantiation	W1506	"threading.Thread needs the target function The warning is emitted when a threading.Thread class is instantiated without the target function being passed. By default, the first parameter is the group param, not the target param."
String	bad-string-format-type	E1307	Argument %r does not match format type %r Used when a type required by format string is not suitable for actual argument type
String	format-needs-mapping	E1303	"Expected mapping for format string, not %s Used when a format string that uses named conversion specifiers is used with an argument that is not a mapping."
String	truncated-format-string	E1301	Format string ends in middle of conversion specifier Used when a format string terminates before the end of a conversion specifier.
String	missing-format-string-key	E1304	Missing key %r in format string dictionary Used when a format string that uses named conversion specifiers is used with a dictionary that doesn't contain all the keys required by the format string.
String	mixed-format-string	E1302	Mixing named and unnamed conversion specifiers in format string Used when a format string contains both named (e.g. '%(foo)d') and unnamed (e.g. '%d') conversion specifiers. This is also used when a named conversion specifier contains * for the minimum field width and/or precision.
String	too-few-format-args	E1306	Not enough arguments for format string Used when a format string that uses unnamed conversion specifiers is given too few arguments
String	bad-str-strip-call	E1310	"Suspicious argument in %s.%s call The argument to a str.{l,r,}strip call contains a duplicate character,"
String	too-many-format-args	E1305	Too many arguments for format string Used when a format string that uses unnamed conversion specifiers is given too many arguments.
String	bad-format-character	E1300	Unsupported format character %r (%#02x) at index %d Used when an unsupported format character is used in a format string.
String	anomalous-unicode-escape-in-string	W1402	Anomalous Unicode escape in byte string: '%s'. String constant might be missing an r or u prefix. Used when an escape like u is encountered in a byte string where it has no effect.
String	anomalous-backslash-in-string	W1401	Anomalous backslash in string: '%s'. String constant might be missing an r prefix. Used when a backslash is in a literal string but not as an escape.
String	duplicate-string-formatting-argument	W1308	"Duplicate string formatting argument %r, consider passing as named argument Used when we detect that a string formatting is repeating an argument instead of using named string arguments"
String	format-combined-specification	W1305	Format string contains both automatic field numbering and manual field specification Used when a PEP 3101 format string contains both automatic field numbering (e.g. '{}') and manual field specification (e.g. '{0}').
String	bad-format-string-key	W1300	"Format string dictionary key should be a string, not %s Used when a format string that uses named conversion specifiers is used with a dictionary whose keys are not all strings."
String	implicit-str-concat	W1404	Implicit string concatenation found in %s String literals are implicitly concatenated in a literal iterable definition : maybe a comma is missing ?
String	bad-format-string	W1302	Invalid format string Used when a PEP 3101 format string is invalid.
String	missing-format-attribute	W1306	"Missing format attribute %r in format specifier %r Used when a PEP 3101 format string uses an attribute specifier ({0.length}), but the argument passed for formatting doesn't have that attribute."
String	missing-format-argument-key	W1303	Missing keyword argument %r for format string Used when a PEP 3101 format string that uses named fields doesn't receive one or more required keywords.
String	inconsistent-quotes	W1405	Quote delimiter %s is inconsistent with the rest of the file Quote delimiters are not used consistently throughout a module (with allowances made for avoiding unnecessary escaping).
String	unused-format-string-argument	W1304	Unused format argument %r Used when a PEP 3101 format string that uses named fields is used with an argument that is not required by the format string.
String	unused-format-string-key	W1301	Unused key %r in format string dictionary Used when a format string that uses named conversion specifiers is used with a dictionary that contains keys not required by the format string.
String	f-string-without-interpolation	W1309	"Using an f-string that does not have any interpolated variables Used when we detect an f-string that does not use any interpolation variables, in which case it can be either a normal string or a bug in the code."
String	invalid-format-index	W1307	"Using invalid lookup key %r in format specifier %r Used when a PEP 3101 format string uses a lookup specifier ({a[1]}), but the argument passed for formatting doesn't contain or doesn't have that key as an attribute."
Typecheck	unsupported-assignment-operation	E1137	%r does not support item assignment Emitted when an object does not support item assignment (i.e. doesn't define setitem method).
Typecheck	unsupported-delete-operation	E1138	%r does not support item deletion Emitted when an object does not support item deletion (i.e. doesn't define delitem method).
Typecheck	invalid-unary-operand-type	E1130	Emitted when a unary operand is used on an object which does not support this type of operation.
Typecheck	unsupported-binary-operation	E1131	Emitted when a binary arithmetic operation between two operands is not supported.
Typecheck	no-member	E1101	%s %r has no %r member%s Used when a variable is accessed for an unexistent member.
Typecheck	not-callable	E1102	%s is not callable Used when an object being called has been inferred to a non callable object.
Typecheck	redundant-keyword-arg	E1124	"Argument %r passed by position and keyword in %s call Used when a function call would result in assigning multiple values to a function parameter, one value from a positional argument and one from a keyword argument."
Typecheck	assignment-from-no-return	E1111	"Assigning result of a function call, where the function has no return Used when an assignment is done on a function call but the inferred function doesn't return anything."
Typecheck	assignment-from-none	E1128	"Assigning result of a function call, where the function returns None Used when an assignment is done on a function call but the inferred function returns nothing but None."
Typecheck	not-context-manager	E1129	Context manager '%s' doesn't implement enter and exit. Used when an instance in a with statement doesn't implement the context manager protocol(enter/exit).
Typecheck	unhashable-dict-key	E1140	Dict key is unhashable Emitted when a dict key is not hashable (i.e. doesn't define hash method).
Typecheck	repeated-keyword	E1132	Got multiple values for keyword argument %r in function call Emitted when a function call got multiple values for a keyword.
Typecheck	invalid-metaclass	E1139	"Invalid metaclass %r used Emitted whenever we can detect that a class is using, as a metaclass, something which might be invalid for using as a metaclass."
Typecheck	missing-kwoa	E1125	Missing mandatory keyword argument %r in %s call Used when a function call does not pass a mandatory keyword-only argument.
Typecheck	no-value-for-parameter	E1120	No value for argument %s in %s call Used when a function call passes too few arguments.
Typecheck	not-an-iterable	E1133	Non-iterable value %s is used in an iterating context Used when a non-iterable value is used in place where iterable is expected
Typecheck	not-a-mapping	E1134	Non-mapping value %s is used in a mapping context Used when a non-mapping value is used in place where mapping is expected
Typecheck	invalid-sequence-index	E1126	"Sequence index is not an int, slice, or instance with index Used when a sequence type is indexed with an invalid type. Valid types are ints, slices, and objects with an index method."
Typecheck	invalid-slice-index	E1127	"Slice index is not an int, None, or instance with index Used when a slice index is not an integer, None, or an object with an index method."
Typecheck	too-many-function-args	E1121	Too many positional arguments for %s call Used when a function call passes too many positional arguments.
Typecheck	unexpected-keyword-arg	E1123	Unexpected keyword argument %r in %s call Used when a function call passes a keyword argument that doesn't correspond to one of the function's parameter names.
Typecheck	dict-iter-missing-items	E1141	Unpacking a dictionary in iteration without calling .items() Emitted when trying to iterate through a dict without calling .items()
Typecheck	unsupported-membership-test	E1135	Value '%s' doesn't support membership test Emitted when an instance in membership test expression doesn't implement membership protocol (contains/iter/getitem).
Typecheck	unsubscriptable-object	E1136	Value '%s' is unsubscriptable Emitted when a subscripted value doesn't support subscription (i.e. doesn't define getitem method or class_getitem for a class).
Typecheck	keyword-arg-before-vararg	W1113	"Keyword argument before variable positional arguments list in the definition of %s function When defining a keyword argument before variable positional arguments, one can end up in having multiple values passed for the aforementioned parameter in case the method is called with keyword arguments."
Typecheck	non-str-assignment-to-dunder-name	W1115	Non-string value assigned to name Emitted when a non-string vaue is assigned to name
Typecheck	arguments-out-of-order	W1114	Positional arguments appear to be out of order Emitted when the caller's argument names fully match the parameter names in the function signature but do not have the same order.
Typecheck	isinstance-second-argument-not-valid-type	W1116	Second argument of isinstance is not a type Emitted when the second argument of an isinstance call is not a type.
Typecheck	c-extension-no-member	I1101	"%s %r has no %r member%s, but source is unavailable. Consider adding this module to extension-pkg-allow-list if you want to perform analysis based on run-time introspection of living objects. Used when a variable is accessed for non-existent member of C extension. Due to unavailability of source static analysis is impossible, but it may be performed by introspecting living objects in run-time."
Varialbes	unpacking-non-sequence	E0633	Attempting to unpack a non-sequence%s Used when something which is not a sequence is used in an unpack assignment
Varialbes	invalid-all-object	E0604	"Invalid object %r in all, must contain only strings Used when an invalid (non-string) object occurs in all."
Varialbes	no-name-in-module	E0611	No name %r in module %r Used when a name cannot be found in a module.
Varialbes	undefined-variable	E0602	Undefined variable %r Used when an undefined variable is accessed.
Varialbes	undefined-all-variable	E0603	Undefined variable name %r in all Used when an undefined variable name is referenced in all.
Varialbes	used-before-assignment	E0601	Using variable %r before assignment Used when a local variable is accessed before its assignment.
Varialbes	cell-var-from-loop	W0640	Cell variable %s defined in loop A variable used in a closure is defined in a loop. This will result in all closures using the same value for the closed-over variable.
Varialbes	global-variable-undefined	W0601	"Global variable %r undefined at the module level Used when a variable is defined through the ""global"" statement but the variable is not defined in the module scope."
Varialbes	self-cls-assignment	W0642	Invalid assignment to %s in method Invalid assignment to self or cls in instance or class method respectively.
Varialbes	unbalanced-tuple-unpacking	W0632	"Possible unbalanced tuple unpacking with sequence%s: left side has %d label(s), right side has %d value(s) Used when there is an unbalanced tuple unpacking in assignment"
Varialbes	possibly-unused-variable	W0641	"Possibly unused variable %r Used when a variable is defined but might not be used. The possibility comes from the fact that locals() might be used, which could consume or not the said variable"
Varialbes	redefined-builtin	W0622	Redefining built-in %r Used when a variable or function override a built-in.
Varialbes	redefine-in-handler	W0623	Redefining name %r from %s in exception handler Used when an exception handler assigns the exception to an existing name
Varialbes	redefined-outer-name	W0621	Redefining name %r from outer scope (line %s) Used when a variable's name hides a name defined in the outer scope.
Varialbes	unused-import	W0611	Unused %s Used when an imported module or variable is not used.
Varialbes	unused-argument	W0613	Unused argument %r Used when a function or method argument is not used.
Varialbes	unused-wildcard-import	W0614	Unused import %s from wildcard import Used when an imported module or variable is not used from a 'from X import *' style import.
Varialbes	unused-variable	W0612	Unused variable %r Used when a variable is defined but not used.
Varialbes	global-variable-not-assigned	W0602	"Using global for %r but no assignment is done Used when a variable is defined through the ""global"" statement but no assignment to this variable is done."
Varialbes	undefined-loop-variable	W0631	Using possibly undefined loop variable %r Used when a loop variable (i.e. defined by a for loop or a list comprehension or a generator expression) is used outside the loop.
Varialbes	global-statement	W0603	"Using the global statement Used when you use the ""global"" statement to update a global variable. Pylint just try to discourage this usage. That doesn't mean you cannot use it !"
Varialbes	global-at-module-level	W0604	"Using the global statement at the module level Used when you use the ""global"" statement at the module level since it has no effect"