diff --git a/deepspeed/runtime/pipe/engine.py b/deepspeed/runtime/pipe/engine.py index 2542dd602b1f..b89c1aca7f2a 100644 --- a/deepspeed/runtime/pipe/engine.py +++ b/deepspeed/runtime/pipe/engine.py @@ -988,7 +988,7 @@ def _exec_send_grads(self, buffer_id): if isinstance(inputs, tuple): first_input = inputs[0] assert all([torch.is_tensor(elt) for elt in inputs[1:]]) - inputs_grad_tail = [elt.grad for elt in inputs[1:] if elt.grad is not None] + inputs_grad_tail = [elt.grad for elt in inputs[1:]] elif torch.is_tensor(inputs): first_input = inputs inputs_grad_tail = []