title: "python -m pip install --upgrade pip" Exception error
body: <p>In windows 10, I am running the terminal as an administrator,</p>
  
  <p>It is giving an exception error.</p>
  
  <p>I am trying to upgrade pip but it is giving an error:</p>
  
  <pre><code>python -m pip install --upgrade pip
  Collecting pip
    Using cached https://files.pythonhosted.org/packages/43/84/23ed6a1796480a6f1a2d38f2802901d078266bda38388954d01d3f2e821d/pip-20.1.1-py2.py3-none-any.whl
  Installing collected packages: pip
    Found existing installation: pip 19.3.1
      Uninstalling pip-19.3.1:
        Successfully uninstalled pip-19.3.1
    Rolling back uninstall of pip
    Moving to c:\users\user1\appdata\roaming\python\python38\scripts\
     from C:\Users\user1\AppData\Roaming\Python\Python38\~cripts
    Moving to c:\users\user1\appdata\roaming\python\python38\site-packages\pip-19.3.1.dist-info\
     from C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\~ip-19.3.1.dist-info
    Moving to c:\users\user1\appdata\roaming\python\python38\site-packages\pip\
     from C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\~ip
  ERROR: Exception:
  Traceback (most recent call last):
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\cli\base_command.py", line 153, in _main
      status = self.run(options, args)
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\commands\install.py", line 446, in run
      installed = install_given_reqs(
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\req\__init__.py", line 58, in install_given_reqs
      requirement.install(
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\req\req_install.py", line 858, in install
      self.move_wheel_files(
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\req\req_install.py", line 487, in move_wheel_files
      wheel.move_wheel_files(
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\wheel.py", line 594, in move_wheel_files
      generated_console_scripts = maker.make_multiple(scripts_to_generate)
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_vendor\distlib\scripts.py", line 402, in make_multiple
      filenames.extend(self.make(specification, options))
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_internal\wheel.py", line 330, in make
      return super(PipScriptMaker, self).make(specification, options)
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_vendor\distlib\scripts.py", line 391, in make
      self._make_script(entry, filenames, options=options)
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_vendor\distlib\scripts.py", line 295, in _make_script
      self._write_script(scriptnames, shebang, script, filenames, ext)
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_vendor\distlib\scripts.py", line 231, in _write_script
      launcher = self._get_launcher('t')
    File "C:\Users\user1\AppData\Roaming\Python\Python38\site-packages\pip\_vendor\distlib\scripts.py", line 370, in _get_launcher
      result = finder(distlib_package).find(name).bytes
  AttributeError: 'NoneType' object has no attribute 'bytes'
  WARNING: You are using pip version 19.3.1; however, version 20.1.1 is available.
  You should consider upgrading via the 'python -m pip install --upgrade pip' command.
  </code></pre>
  
  <p>What should I do to upgrade pip?
  Thanks</p>