Update app.py

app.py

@@ -186,7 +186,7 @@ def invoke(openai_api_key, rag_option, prompt):
         raise gr.Error(e)
     finally:
         end_time_ms = round(time.time() * 1000)
-        log(chain)
+        print(chain)
         wandb_trace(rag_option, prompt, completion, chain, err_msg, start_time_ms, end_time_ms)
     return result