fix: #8843 event: tts_message_end always return in api streaming resp… (#8846)

api/core/app/apps/advanced_chat/generate_task_pipeline.py

@@ -231,7 +231,8 @@ class AdvancedChatAppGenerateTaskPipeline(BasedGenerateTaskPipeline, WorkflowCyc
             except Exception as e:
                 logger.error(e)
                 break
-        yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
+        if tts_publisher:
+            yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
 
     def _process_stream_response(
         self,

api/core/app/apps/workflow/generate_task_pipeline.py

@@ -212,7 +212,8 @@ class WorkflowAppGenerateTaskPipeline(BasedGenerateTaskPipeline, WorkflowCycleMa
             except Exception as e:
                 logger.error(e)
                 break
-        yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
+        if tts_publisher:
+            yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
 
     def _process_stream_response(
         self,

api/core/app/task_pipeline/easy_ui_based_generate_task_pipeline.py

@@ -248,7 +248,8 @@ class EasyUIBasedGenerateTaskPipeline(BasedGenerateTaskPipeline, MessageCycleMan
             else:
                 start_listener_time = time.time()
                 yield MessageAudioStreamResponse(audio=audio.audio, task_id=task_id)
-        yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
+        if publisher:
+            yield MessageAudioEndStreamResponse(audio="", task_id=task_id)
 
     def _process_stream_response(
         self, publisher: AppGeneratorTTSPublisher, trace_manager: Optional[TraceQueueManager] = None

api/core/model_runtime/model_providers/zhipuai/zhipuai_sdk/core/_base_models.py

@@ -48,7 +48,7 @@ from ._utils import (
 )
 
 if TYPE_CHECKING:
-    from pydantic_core.core_schema import LiteralSchema, ModelField, ModelFieldsSchema
+    from pydantic_core.core_schema import ModelField
 
 __all__ = ["BaseModel", "GenericModel"]
 _BaseModelT = TypeVar("_BaseModelT", bound="BaseModel")