每当我尝试使用pip3
或任何包含pip3
的内容时,我都会得到以下错误:
ModuleNotFoundError: No module named 'pip._vendor.packaging.__about__' pops up.
昨天我用它安装了opencv
,并在多个项目中使用了opencv
。我不知道为什么今天会出现错误。
这是我的代码:
kaushiksankar@Kaushiks-MacBook-Pro ~ % pip3 install opencv-python
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/3.9/bin/pip3", line 5, in <module>
from pip._internal.cli.main import main
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/cli/main.py", line 10, in <module>
from pip._internal.cli.autocompletion import autocomplete
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
from pip._internal.cli.main_parser import create_main_parser
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/cli/main_parser.py", line 7, in <module>
from pip._internal.cli import cmdoptions
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/cli/cmdoptions.py", line 23, in <module>
from pip._internal.cli.progress_bars import BAR_TYPES
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/cli/progress_bars.py", line 12, in <module>
from pip._internal.utils.logging import get_indentation
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/utils/logging.py", line 17, in <module>
from pip._internal.utils.deprecation import DEPRECATION_MSG_PREFIX
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_internal/utils/deprecation.py", line 13, in <module>
from pip._vendor.packaging.version import parse
File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_vendor/packaging/__init__.py", line 6, in <module>
from .__about__ import (
ModuleNotFoundError: No module named 'pip._vendor.packaging.__about__'
我正在使用MacOS。
我无法通过任何方法找到pip
的版本。不能使用pip
命令,因此使用了pip3
。
发布于 2020-12-01 14:14:42
下载get-pip.py
文件并将其存储在安装python的同一个目录中。或者使用以下命令直接下载pip
,
wget https://bootstrap.pypa.io/get-pip.py
现在使用下面的命令执行下载的文件:
python3 get-pip.py
通过执行版本检查,可以很容易地验证pip
是否已正确安装。只需转到命令行并执行以下命令:
pip3 --version
之后,您可以安装您的软件包:
pip3 install package_name
https://stackoverflow.com/questions/65090587
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