Fix/type-error (#11240)

Signed-off-by: -LAN- <laipz8200@outlook.com>

api/core/app/apps/completion/app_generator.py

@@ -50,7 +50,7 @@ class CompletionAppGenerator(MessageBasedAppGenerator):
     ) -> dict: ...
 
     def generate(
-        self, app_model: App, user: Union[Account, EndUser], args: Any, invoke_from: InvokeFrom, stream: bool = True
+        self, app_model: App, user: Union[Account, EndUser], args: Any, invoke_from: InvokeFrom, streaming: bool = True
     ) -> Union[dict, Generator[str, None, None]]:
         """
         Generate App response.
@@ -119,7 +119,7 @@ class CompletionAppGenerator(MessageBasedAppGenerator):
             query=query,
             files=file_objs,
             user_id=user.id,
-            stream=stream,
+            stream=streaming,
             invoke_from=invoke_from,
             extras=extras,
             trace_manager=trace_manager,
@@ -158,7 +158,7 @@ class CompletionAppGenerator(MessageBasedAppGenerator):
             conversation=conversation,
             message=message,
             user=user,
-            stream=stream,
+            stream=streaming,
         )
 
         return CompletionAppGenerateResponseConverter.convert(response=response, invoke_from=invoke_from)