revert change

app.py

@@ -129,7 +129,7 @@ def call_openai(prompt, engine="gpt-3.5-turbo", temp=0, top_p=1.0, max_tokens=40
         return text
     except openai.error.OpenAIError as e:
         print(f"An error occurred: {str(e)}")
-        return "Failed to generate a response."
+    return "Failed to generate a response."
 
 def on_prompt_selected():
     title = st.session_state.advanced_prompts_select