Windows系统Python 安装第三方模块时，提示pip版本有问题

如果按照提示输入python -m pip install --upgrade pip 还不行,

 

那么执行easy_install --upgrade pip 即可

参考:https://stackoverflow.com/questions/39908406/unable-to-locate-finder-for-pip-vendor-distlib-error-when-using-pip-instal

 

“Unable to locate finder for 'pip._vendor.distlib'” error when using “pip install virtualenv”

 

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Collecting virtualenv   Downloading virtualenv-15.0.3-py2.py3-none-any.whl (3.5MB)     100% |████████████████████████████████| 3.5MB 256kB/s Installing collected packages: virtualenv Exception: Traceback (most recent call last):   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\basecommand.py", line 215, in main     status = self.run(options, args)   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\commands\install.py", line 317, in run     prefix=options.prefix_path,   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_set.py", line 742, in install     **kwargs   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 831, in install     self.move_wheel_files(self.source_dir, root=root, prefix=prefix)   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\req\req_install.py", line 1032, in move_wheel_files     isolated=self.isolated,   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\wheel.py", line 493, in move_wheel_files     maker.make_multiple(['%s = %s' % kv for kv in console.items()])   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\scripts.py", line 383, in make_multiple     filenames.extend(self.make(specification, options))   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\scripts.py", line 372, in make     self._make_script(entry, filenames, options=options)   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\scripts.py", line 276, in _make_script     self._write_script(scriptnames, shebang, script, filenames, ext)   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\scripts.py", line 212, in _write_script     launcher = self._get_launcher('t')   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\scripts.py", line 351, in _get_launcher     result = finder(distlib_package).find(name).bytes   File "c:\users\corey shaw\appdata\local\programs\python\python36\lib\site-packages\pip\_vendor\distlib\resources.py", line 324, in finder     raise DistlibException('Unable to locate finder for %r' % package) pip._vendor.distlib.DistlibException: Unable to locate finder for 'pip._vendor.distlib'