>pip install -U keras
(中略)
Collecting theano (from keras)
Collecting scipy>=0.14 (from theano->keras)
Using cached scipy-0.19.1.tar.gz
Requirement already up-to-date: numpy>=1.9.1 in c:\users\(ユーザ名)\anaconda3\envs\tensorflow\lib\site-packages (from theano->keras)
Building wheels for collected packages: scipy
Running setup.py bdist_wheel for scipy ... error
(中略)
----------------------------------------
Command "C:\Users\(ユーザ名)\Anaconda3\envs\tensorflow\python.exe -u -c "import setuptools, tokenize;__file__='r:\\temp\\user\\pip-build-0eij39zu\\scipy\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record r:\temp\user\pip-7tr0bkup-record\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in r:\temp\user\pip-build-0eij39zu\scipy\