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Raise more exceptions from None in MP engine #18159

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Raise more exceptions from None in MP engine #18159

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6 changes: 3 additions & 3 deletions vllm/engine/multiprocessing/engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -229,8 +229,8 @@ def engine_step(self) -> List[RequestOutput]:
"""Engine step wrapper with error handling."""
try:
return self.engine.step()
except SystemExit:
raise
except SystemExit as e:
raise e from None
except InputProcessingError as e:
# Special case where we handle an error preparing the inputs for
# a single request in the batch
Expand All @@ -245,7 +245,7 @@ def engine_step(self) -> List[RequestOutput]:
is_engine_errored=True,
exception=e)
self._send_outputs(rpc_err)
raise e
raise e from None

def handle_new_input(self):
"""Handle new input from the socket"""
Expand Down