Update vllm/v1/core/kv_cache_manager.py

Co-authored-by: Chen Zhang <zhangch99@outlook.com>
Signed-off-by: Abatom <abzhonghua@gmail.com>
Signed-off-by: Chen Zhang <zhangch99@outlook.com>

Author: Abatom

vllm/v1/core/kv_cache_manager.py

@@ -368,6 +368,6 @@ def take_events(self) -> list[KVCacheEvent]:
     def get_block_ids(self, request_id: str) -> list[list[int]]:
         """Get the block ids of a request."""
         if request_id not in self.single_type_manager.req_to_blocks:
-            return [[]]
+            return KVCacheBlocks.create_empty().get_block_ids()
         return KVCacheBlocks(self.single_type_manager.req_to_blocks[request_id]
                              ).get_block_ids()