Merge remote-tracking branch 'origin/main' into jthomson04/parallel-p…

…refill2

examples/llm/components/prefill_worker.py

@@ -172,8 +172,7 @@ async def prefill_queue_handler(self):
                     # Wait for all prefills to complete.
                     await asyncio.gather(*futures)
 
-                is_valid = await self.lease.is_valid()
-                if not is_valid:
+                if self.shutdown_requested:
                     logger.info(
                         "Shutdown requested, checking if engine has any pending prefill sending requests"
                     )