小编oct*_*_13的帖子

当我尝试使用 pip 安装任何软件包或使用 pip 时，出现以下错误：

ImportError: cannot import name 'appdirs'

一个例子：

!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/python3.6/site- 
    packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
    from pip._internal.cli.main_parser import create_main_parser
    File "/Users/user_name/anaconda3/lib/python3.6/site- 
    packages/pip/_internal/cli/main_parser.py", line 7, in <module>
    from pip._internal.cli import cmdoptions
    File "/Users/user_name/anaconda3/lib/python3.6/site- 
    packages/pip/_internal/cli/cmdoptions.py", line 25, in <module>
    from pip._internal.locations import USER_CACHE_DIR, get_src_prefix
    File "/Users/user_name/anaconda3/lib/python3.6/site- 
    packages/pip/_internal/locations.py", line 19, in …