python-2.7 – 升级到ubuntu-16.10后,Pip不起作用

发布时间：2020-12-20 10:33:40 所属栏目：Python 来源：网络整理

导读：与pip一起运行命令会出现以下错误.即使命令pip -V也会产生以下错误. 我读到错误是由于setuptools版本31.0.0,它应该低于28.0.0.但我的setuptools的版本是26.1.1,它仍然给出相同的错误. Traceback (most recent call last): File "/usr/local/bin/pip",line 7,

与pip一起运行命令会出现以下错误.即使命令pip -V也会产生以下错误.
我读到错误是由于setuptools版本31.0.0,它应该低于28.0.0.但我的setuptools的版本是26.1.1,它仍然给出相同的错误.

Traceback (most recent call last):
  File "/usr/local/bin/pip",line 7,in 
    from pip import main
  File "/usr/local/lib/python3.5/dist-packages/pip/__init__.py",line 26,in 
    from pip.utils import get_installed_distributions,get_prog
  File "/usr/local/lib/python3.5/dist-packages/pip/utils/__init__.py",line 27,in 
    from pip._vendor import pkg_resources
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 3018,in 
    @_call_aside
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 3004,in _call_aside
    f(*args,**kwargs)
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 3046,in _initialize_master_working_set
    dist.activate(replace=False)
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 2578,in activate
    declare_namespace(pkg)
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 2152,in declare_namespace
    _handle_ns(packageName,path_item)
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 2092,in _handle_ns
    _rebuild_mod_path(path,packageName,module)
  File "/usr/local/lib/python3.5/dist-packages/pip/_vendor/pkg_resources/__init__.py",line 2121,in _rebuild_mod_path
    orig_path.sort(key=position_in_sys_path)
AttributeError: '_NamespacePath' object has no attribute 'sort'

解决方法

我能找到的唯一解决方案是重新安装pip.在终端上运行这些命令

> wget https://bootstrap.pypa.io/get-pip.py
> sudo -H python get-pip.py –prefix = /usr/local /

但是,这只适用于pip,而不是pip3！

（编辑：李大同）

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