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python - 没有名为 'pip._vendor.cachecontrol' 的模块

转载 作者:太空狗 更新时间:2023-10-29 21:09:48 25 4
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在 OSX 上运行 pip 会出现以下错误:

Traceback (most recent call last):
File "/usr/local/bin/pip", line 9, in <module>
load_entry_point('pip==6.0.6', 'console_scripts', 'pip')()
File "build/bdist.macosx-10.10-x86_64/egg/pkg_resources/__init__.py", line 519, in load_entry_point
File "build/bdist.macosx-10.10-x86_64/egg/pkg_resources/__init__.py", line 2630, in load_entry_point
File "build/bdist.macosx-10.10-x86_64/egg/pkg_resources/__init__.py", line 2310, in load
File "build/bdist.macosx-10.10-x86_64/egg/pkg_resources/__init__.py", line 2316, in resolve
File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-6.0.6-py2.7.egg/pip/__init__.py", line 15, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-6.0.6-py2.7.egg/pip/vcs/mercurial.py", line 11, in <module>
from pip.download import path_to_url
File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-6.0.6-py2.7.egg/pip/download.py", line 36, in <module>
from pip._vendor.cachecontrol import CacheControlAdapter
File "/usr/local/Cellar/python/2.7.7_1/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pip-6.0.6-py2.7.egg/pip/_vendor/__init__.py", line 81, in load_module
raise ImportError("No module named '%s'" % (name,))
ImportError: No module named 'pip._vendor.cachecontrol'

知道我做错了什么吗?

最佳答案

不特定于 OSX,但对于那些处理这个问题的人来说,现在 Python 3.8.0 在最稳定的存储库上,这可能是因为你在更新包时出于兼容性原因保留了一个包,或者删除了一个必需的包包。

在我的例子中,我删除了 msgpack 包并计划重新安装它来解决另一个问题,但是在删除该包后,我无法通过 pip 重新安装它。

解决方案是(重新)安装 python-msgpack

即对于 Arch 的默认包管理器:

sudo pacman -Sy python-msgpack

关于python - 没有名为 'pip._vendor.cachecontrol' 的模块,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/28079395/

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