def _get_default_metavar_for_positional(self,
action: argparse.Action) -> str:
"""
Function to return positional metavariable type with circum-symbols
"""
if action.type is not None:
return "<" + action.type.__name__ + ">" # type: ignore
else:
action.metavar = cast(str, action.metavar)
return action.metavar
