add chat history

Signed-off-by: vax521 <13263397018@163.com>

app.py

@@ -16,13 +16,20 @@ def ask_gpt(prompt):
     print(response)
     return response.choices[0].message.content.strip()
 
+def ask_gpt_with_history(history):
+    response = openai.ChatCompletion.create(
+    model="gpt-3.5-turbo",  # here we use `gpt-3.5-turbo` model, while Stanford-Alpaca uses `text-davinci-003`
+    messages=history
+    )
+    print(response)
+    return response.choices[0].message.content.strip()
 
 async def predict(input, history):
     """
     Predict the response of the chatbot and complete a running list of chat history.
     """
     history.append({"role": "user", "content": input})
-    response = ask_gpt(history)
+    response = ask_gpt_with_history(history)
     history.append({"role": "assistant", "content": response})
     messages = [(history[i]["content"], history[i + 1]["content"]) for i in range(0, len(history) - 1, 2)]
     return messages, history