[Rebase] Rebase to vllm v0.21.0 (#3530)

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tests/entrypoints/openai_api/test_serving_audio_generate.py

@@ -389,7 +389,7 @@ class TestErrorHandling:
 
         async def empty_gen(*args, **kwargs):
             return
-            yield  # noqa: unreachable – makes this an async generator
+            yield  # unreachable – makes this an async generator
 
         engine.generate = MagicMock(side_effect=empty_gen)
         server = _make_server(engine_client=engine)
@@ -448,7 +448,7 @@ class TestErrorHandling:
 
         async def gen_value_error(*args, **kwargs):
             raise ValueError("bad value")
-            yield  # noqa: unreachable
+            yield  # unreachable
 
         engine.generate = MagicMock(side_effect=gen_value_error)
         server = _make_server(engine_client=engine)
@@ -463,7 +463,7 @@ class TestErrorHandling:
 
         async def gen_runtime_error(*args, **kwargs):
             raise RuntimeError("something went wrong")
-            yield  # noqa: unreachable
+            yield  # unreachable
 
         engine.generate = MagicMock(side_effect=gen_runtime_error)
         server = _make_server(engine_client=engine)

tests/entrypoints/openai_api/test_serving_chat_speaker.py

@@ -22,6 +22,7 @@ def serving_chat():
 
     instance = object.__new__(OmniOpenAIServingChat)
     instance._supported_speakers = None
+    instance.has_kv_connector = False
     return instance