def __repr__(self):
        return "<NamedRequirements({}{})>".format(
            self.name,
            ", filename='{}'".format(self.filename.name) if self.filename
            else "")
def deeplift_tensor_grad(grad):
    return_grad = complex_module_gradients[-1]
    del complex_module_gradients[-1]
    return return_grad