Update app.py

app.py

@@ -1,12 +1,11 @@
-# from langchain.chat_models import ChatOpenAI
-from langchain_community.chat_models import ChatOpenAI
+from langchain.chat_models import ChatOpenAI
 from langchain.schema import AIMessage, HumanMessage
 import openai
 import gradio as gr
 import os
 
 os.environ["OPENAI_API_KEY"] = os.getenv('OPENAI_API_KEY')
-llm = ChatOpenAI(temperature=1.0, model='gpt-4o')
+llm = ChatOpenAI(temperature=1.0, model='gpt-4o-mini')
 
 question_json = os.getenv('QUESTION_JSON')
 cv_json = os.getenv('CV_JSON')