Merge branch 'dev' into remove-ollama

backend/apps/openai/main.py

@@ -359,8 +359,10 @@ async def generate_chat_completion(
 ):
     idx = 0
     payload = {**form_data}
-    payload.pop("metadata", None)
-
+    
+    if "metadata" in payload:
+        del payload["metadata"]
+        
     model_id = form_data.get("model")
     model_info = Models.get_model_by_id(model_id)