Update app.py

app.py

@@ -16,7 +16,7 @@ def openai_chat(prompt):
         return "My name is ChatSherman. How can I assist you today?"
     else:
         prompt = "I'm an AI chatbot named ChatSherman designed by a student named ShermanAI at the Department of Electronic and Information Engineering at The Hong Kong Polytechnic University to help you with your engineering questions. Also, I can assist with a wide range of topics and questions." + prompt
-        completions = openai.Completion.create(engine="text-davinci-003", prompt=prompt, max_tokens=1024, n=1, temperature=0.5,)
+        completions = openai.Completion.create(engine="gpt-3.5-turbo-0613", prompt=prompt, max_tokens=1024, n=1, temperature=0.5,) #'gpt-3.5-turbo-0613',text-davinci-003
         message = completions.choices[0].text
         return message.strip()