def _forward_unimplemented(self, *input: Any) -> None:
    r"""Defines the computation performed at every call.

    Should be overridden by all subclasses.

    .. note::
        Although the recipe for forward pass needs to be defined within
        this function, one should call the :class:`Module` instance afterwards
        instead of this since the former takes care of running the
        registered hooks while the latter silently ignores them.
    """
    raise NotImplementedError(
        f'Module [{type(self).__name__}] is missing the required "forward" function'
    )
Defines the computation performed at every call.

    Should be overridden by all subclasses.

    .. note::
        Although the recipe for forward pass needs to be defined within
        this function, one should call the :class:`Module` instance afterwards
        instead of this since the former takes care of running the
        registered hooks while the latter silently ignores them.
    
python/aitemplate/frontend/nn/module.py