Update app.py

app.py

@@ -38,7 +38,7 @@ def respond(message, history, system_message, max_tokens, temperature, top_p):
         prompt += f"User: {user_msg}\nAssistant: {bot_msg}\n"
     prompt += f"User: {message}\nAssistant:"
 
-       try:
+   try:
         response = pipe(
             prompt,
             max_new_tokens=max_tokens,