安装Python，运行PIP出现LookupError: unknown encoding: cp65001

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最新推荐文章于 2025-06-10 14:21:09 发布

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分类专栏：人工智能机器学习文章标签： python 安装pip出错

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本文介绍了一种在Python环境中使用pip命令时遇到的Unicode字符编码问题，并提供了通过设置环境变量PYTHONIOENCODING为UTF-8来解决此问题的方法。

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安装Python27后，配置好环境变量，运行pip list出现如下错误

Traceback (most recent call last):
File "d:\app\python\python27\lib\runpy.py", line 174, in _run_module_as_main
"__main__", fname, loader, pkg_name)
File "d:\app\python\python27\lib\runpy.py", line 72, in _run_code
exec code in run_globals
File "D:\app\Python\Python27\Scripts\pip.exe\__main__.py", line 5, in <module>
File "d:\app\python\python27\lib\site-packages\pip\__init__.py", line 45, in <module>
from pip.vcs import git, mercurial, subversion, bazaar # noqa
File "d:\app\python\python27\lib\site-packages\pip\vcs\mercurial.py", line 9, in <module>
from pip.download import path_to_url
File "d:\app\python\python27\lib\site-packages\pip\download.py", line 37, in <module>
from pip.utils.ui import DownloadProgressBar, DownloadProgressSpinner
File "d:\app\python\python27\lib\site-packages\pip\utils\ui.py", line 57, in <module>
_BaseBar = _select_progress_class(IncrementalBar, Bar)
File "d:\app\python\python27\lib\site-packages\pip\utils\ui.py", line 50, in _select_progress_class
six.text_type().join(characters).encode(encoding)
LookupError: unknown encoding: cp65001