docs: def _iter_indented_subactions(self, action):
          """
          Sort the subcommands alphabetically
          """
          try:
              get_subactions = action._get_subactions
          except AttributeError:
              pass
          else:
              self._indent()
              if isinstance(action, argparse._SubParsersAction):
                  for subaction in sorted(
                          get_subactions(), key=lambda x: x.dest):
                      yield subaction
              else:
                  for subaction in get_subactions():
                      yield subaction
              self._dedent()