Update app.py

app.py

@@ -118,10 +118,12 @@ def generate_response(user_message, max_tokens, temperature, top_p, history_stat
             stream=True,
         )
     except Exception as e:
+        print(f"[ERROR] OpenAI API call failed: {e}")
         yield history_state + [{"role": "user", "content": user_message},
                                {"role": "assistant", "content": "⚠️ Generation failed."}], history_state
         return
 
+    
     assistant_response = ""
     new_history = history_state + [
         {"role": "user", "content": user_message},