環境
事象
PyCharmで仮想環境作成時、エラー画面「Error Running Pipenv」が表示。
Terminalでpipenvコマンド実行時も同様のエラーが発生。
トレースバックは以下。
Traceback (most recent call last): File "/usr/local/Cellar/pipenv/2018.11.26_2/libexec/bin/pipenv", line 6, in <module> from pkg_resources import load_entry_point File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 3241, in <module> @_call_aside File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 3225, in _call_aside f(*args, **kwargs) File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 3254, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 583, in _build_master ws.require(__requires__) File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 900, in require needed = self.resolve(parse_requirements(requirements)) File "/usr/local/Cellar/python/3.7.4_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pkg_resources/__init__.py", line 786, in resolve raise DistributionNotFound(req, requirers) pkg_resources.DistributionNotFound: The 'pipenv==2018.11.26' distribution was not found and is required by the application
解決方法
pipenvを再インストールする。
brew reinstall pipenv
原因
不明。GitHubでも同様の事象が報告されている。
brew install spontaneously breaks requiring reinstall · Issue #4013 · pypa/pipenv
