python3解决pip升级到10.0.1之后会遇到的错误:module 'pip' has no attribute 'main'

本文介绍了在macOS 10.12.6环境下,使用Python 3.6.4及pip 10.0.1版本时遇到的错误“module‘pip’hasnoattribute‘main’”。提供了三种解决方案,包括降级pip版本、更新pip安装脚本以及重新安装Python3。重点推荐了一种经过验证有效的更新pip的方法。

错误:module ‘pip’ has no attribute ‘main’

pip升级到10.0.1之后可能会出现这个错误。

环境:
pip version : 10.0.1
python version : 3.6.4
mac os : 10.12.6 

错误出现路径还原:

升级pip
$python -m pip install pip --upgrade
Requirement already up-to-date: pip in /usr/local/lib/python3.6/site-packages (10.0.1)

升级后使用pip,报错
$pip -V
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2332, in resolve
    return functools.reduce(getattr, self.attrs, module)
AttributeError: module 'pip' has no attribute 'main'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/opt/python/libexec/bin/pip", line 11, in <module>
    load_entry_point('pip==9.0.3', 'console_scripts', 'pip3')()
  File "/usr/local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 480, in load_entry_point
    return get_distribution(dist).load_entry_point(group, name)
  File "/usr/local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2693, in load_entry_point
    return ep.load()
  File "/usr/local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2324, in load
    return self.resolve()
  File "/usr/local/lib/python3.6/site-packages/pkg_resources/__init__.py", line 2334, in resolve
    raise ImportError(str(exc))
ImportError: module 'pip' has no attribute 'main'

解决方法:

  • 方法一(未测试)
    网上有类似的错误描述:stackoverflow这里
    里边提到降级处理:
python3 -m pip install --user --upgrade pip==9.0.3

没有亲测这种方式,应该是可以的。

$curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
$python get-pip.py

其中,如果是python3对应的pip3,则需要使用python3,如下:

$python3 get-pip.py

更新完毕,便可使用pip或者pip3

$pip -V
pip 10.0.1 from /usr/local/lib/python3.6/site-packages/pip (python 3.6)
$pip3 -V
pip 10.0.1 from /usr/local/lib/python3.6/site-packages/pip (python 3.6)
  • 方法三(未测试)
    网上有说重新安装python3即可解决,这里,未测试。
brew reinstall python3
Exception: Traceback (most recent call last): File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\basecommand.py", line 228, in main status = self.run(options, args) File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\commands\install.py", line 326, in run installed = install_given_reqs( File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\req\__init__.py", line 45, in install_given_reqs requirement.install( File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\req\req_install.py", line 745, in install self.move_wheel_files( File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\req\req_install.py", line 953, in move_wheel_files move_wheel_files( File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_internal\wheel.py", line 431, in move_wheel_files generated.extend(maker.make(spec)) File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_vendor\distlib\scripts.py", line 403, in make self._make_script(entry, filenames, options=options) File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_vendor\distlib\scripts.py", line 307, in _make_script self._write_script(scriptnames, shebang, script, filenames, ext) File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_vendor\distlib\scripts.py", line 243, in _write_script launcher = self._get_launcher(&#39;t&#39;) File "F:\pre_pic\venv\lib\site-packages\pip-10.0.1-py3.8.egg\pip\_vendor\distlib\scripts.py", line 382, in _get_launcher result = finder(distlib_package).find(name).bytes AttributeError: &#39;NoneType&#39; object has no attribute &#39;bytes&#39;
03-19
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