def METHOD_NAME(seq: Sequence[Union[ComplexTensor, torch.Tensor]], *args, **kwargs):
    if not isinstance(seq, (list, tuple)):
        raise TypeError(
            "cat(): argument 'tensors' (position 1) must be tuple of Tensors, "
            "not Tensor"
        )
    if isinstance(seq[0], ComplexTensor):
        return FC.METHOD_NAME(seq, *args, **kwargs)
    else:
        return torch.METHOD_NAME(seq, *args, **kwargs)