1. 程式人生 > >pip windows 升級失敗(update to 9.x)

pip windows 升級失敗(update to 9.x)

Installing collected packages: pip
  Found existing installation: pip 7.1.2
    Uninstalling pip-7.1.2:
      Successfully uninstalled pip-7.1.2
  Rolling back uninstall of pip
Exception:
Traceback (most recent call last):
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\basec
ommand.py", line 211, in main
    status = self.run(options, args)
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\comma
nds\install.py", line 311, in run
    root=options.root_path,
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\req\r
eq_set.py", line 646, in install
    **kwargs
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\req\r
eq_install.py", line 803, in install
    self.move_wheel_files(self.source_dir, root=root)
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\req\r
eq_install.py", line 998, in move_wheel_files
    isolated=self.isolated,
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\wheel
.py", line 449, in move_wheel_files
    generated.extend(maker.make(spec))
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\_vend
or\distlib\scripts.py", line 353, in make
    self._make_script(entry, filenames, options=options)
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\_vend
or\distlib\scripts.py", line 257, in _make_script
    self._write_script(scriptnames, shebang, script, filenames, ext)
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\_vend
or\distlib\scripts.py", line 193, in _write_script
    launcher = self._get_launcher('t')
  File "C:\Users\luofuli\AppData\Roaming\Python\Python27\site-packages\pip\_vend
or\distlib\scripts.py", line 332, in _get_launcher
    result = finder(distlib_package).find(name).bytes
AttributeError: 'NoneType' object has no attribute 'bytes'