fix lint

Signed-off-by: bitliu <[email protected]>

Author: Xunzhuo

tools/openwebui-pipe/vllm_semantic_router_pipe.py

@@ -490,4 +490,3 @@ def _handle_streaming_response(
                     except json.JSONDecodeError:
                         # If not valid JSON, pass through as-is
                         yield f"data: {data_str}\n\n"
-