WARNING: There was an error checking the latest version of pip.

概要

pip install したら、warning が出た。

WARNING: There was an error checking the latest version of pip.

最新バージョンのpipのチェック中にエラーが発生しました。

対応策

$ python -m pip install --upgrade pip

作業ログ

$ python -m pip install --upgrade pip
Requirement already satisfied: pip in ./env/lib/python3.9/site-packages (22.1.1)
Collecting pip
  Downloading pip-22.1.2-py3-none-any.whl (2.1 MB)
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 2.1/2.1 MB 3.8 MB/s eta 0:00:00
Installing collected packages: pip
  Attempting uninstall: pip
    Found existing installation: pip 22.1.1
    Uninstalling pip-22.1.1:
      Successfully uninstalled pip-22.1.1
Successfully installed pip-22.1.2

完了