docs: def run_as_admin(command, cwd=None, environ=None):
    """
    Runs a command as an admin in the specified *cwd* and *environ*.
    On Windows, this creates a temporary directory where this information
    is stored temporarily so that the new process can launch the proper
    subprocess.
    """
  
    if isinstance(command, str):
      command = shlex.split(command)
  
    if os.name == 'nt':
      return _run_as_admin_windows(command, cwd, environ)
  
    elif os.name == 'posix':
      command = ['sudo', '-E'] + list(command)
      sys.exit(subprocess.call(command))
  
    else:
      raise RuntimeError('Unsupported os: {!r}'.format(os.name))