def __init__(self, groups=None):
        super(GroupedRequirements, self).__init__(NamedRequirements)
        self.groups = groups or self.default_groups
        self.filename = None
        self.create_default_groups()
def __init__(self, *args: Any, **kwargs: Any) -> None:
        self._smref: Union['ReferenceType[Submodule]', None] = None
        self._index = None
        self._auto_write = True
        super(SubmoduleConfigParser, self).__init__(*args, **kwargs)