Update app.py

app.py

@@ -1,9 +1,19 @@
-import random
+from langchain.chat_models import ChatOpenAI
+from langchain.schema import AIMessage, HumanMessage
+import openai
 import gradio as gr
 
-def random_response(message, history):
-    return random.choice(["Yes", "No"])
+os.envrion["OPENAI_API_KEY"] = "sk-..."  # Replace with your key
 
-demo = gr.ChatInterface(random_response)
+llm = ChatOpenAI(temperature=1.0, model='gpt-3.5-turbo-0613')
 
-demo.launch()
+def predict(message, history):
+    history_langchain_format = []
+    for human, ai in history:
+        history_langchain_format.append(HumanMessage(content=human))
+        history_langchain_format.append(AIMessage(content=ai))
+    history_langchain_format.append(HumanMessage(content=message))
+    gpt_response = llm(history_langchain_format)
+    return gpt_response.content
+
+gr.ChatInterface(predict).launch()