refac

backend/open_webui/functions.py

@@ -147,7 +147,10 @@ async def get_function_models(request):
     return pipe_models
 
 
-async def generate_function_chat_completion(request, form_data, user, models: dict = {}):
+async def generate_function_chat_completion(request, form_data, user, models: dict | None = None):
+    if models is None:
+        models = {}
+
     async def execute_pipe(pipe, params):
         if inspect.iscoroutinefunction(pipe):
             return await pipe(**params)