Cannot install any packages with pip I got this error ImportError: cannot import name 'appdirs'
问题 When I try install any packages with pip or use pip I got the following error: ImportError: cannot import name 'appdirs' an Example: !pip install tweepy Traceback (most recent call last): File "/Users/user_name/anaconda3/bin/pip", line 6, in <module> from pip._internal.cli.main import main File "/Users/user_name/anaconda3/lib/python3.6/site- packages/pip/_internal/cli/main.py", line 10, in <module> from pip._internal.cli.autocompletion import autocomplete File "/Users/user_name/anaconda3/lib