fix: check against None...

Signed-off-by: Travis Johnson <[email protected]>

Author: tjohnson31415

vllm_spyre/worker/spyre_model_runner.py

@@ -286,7 +286,7 @@ def prepare_model_input(
                 for seq_id in finished_requests_ids:
                     # ignore requests that are not in the batch, eg. requests
                     # cancelled while waiting
-                    if idx := self._req_ids2idx.get(seq_id):
+                    if (idx := self._req_ids2idx.get(seq_id)) is not None:
                         self.model.indices[idx] = False
             (input_tokens, input_positions,
              input_masks) = self._prepare_decode(seq_group_metadata_list)