code: def get_local_user():
      
      # TODO: I don't understand why these lines were added outside the
      # try/except, since presumably it means the attempt at catching ImportError
      # wouldn't work. However, that's how the contributing user committed it.
      # Need an older Windows box to test it out, most likely.
      import getpass
  
      username = None
      # All Unix and most Windows systems support the getpass module.
      try:
          username = getpass.getuser()
      # Some SaaS platforms raise KeyError, implying there is no real user
      # involved. They get the default value of None.
      except KeyError:
          pass
      # Older (?) Windows systems don't support getpass well; they should
      # have the `win32` module instead.
      except ImportError:  # pragma: nocover
          if win32:
              import win32api
              import win32security  # noqa
              import win32profile  # noqa
  
              username = win32api.GetUserName()
      return username
docs: Return the local executing username, or ``None`` if one can't be found.
  
      .. versionadded:: 2.0