Update app.py

app.py

@@ -34,7 +34,7 @@ def chat(text):
     # Use OpenAI's GPT-3.5 model to generate chatbot response
     response = openai.Completion.create(
         model=MODEL,
-        prompt=f"Conversation with user:\n{'\n'.join(chat_history)}\nChatbot:",
+        prompt = r"Conversation with user:\n" + "\n".join(chat_history) + r"\nChatbot:"
         temperature=0.5,
         max_tokens=1024,
         n=1,