Update app.py

app.py

@@ -1,7 +1,7 @@
 #the below import has been replaced by the later mentioned import, recently by langchain as a per of their improvement strategy :)
 #from langchain.chat_models import ChatOpenAI
-from langchain_openai import ChatOpenAI
-
+#from langchain_openai import ChatOpenAI
+from langchain_community.llms import HuggingFaceEndpoint
 from langchain.schema import HumanMessage, SystemMessage
 from io import StringIO
 import streamlit as st
@@ -51,8 +51,9 @@ if data:
     st.write(fetched_data)
 
     # Initialize a ChatOpenAI instance with the specified model name "gpt-3.5-turbo" and a temperature of 0.9.
-    chat = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0.9)
-
+    #chat = ChatOpenAI(model_name="gpt-3.5-turbo", temperature=0.9)
+    chat = HuggingFaceEndpoint(temperature=0.9,repo_id="mistralai/Mixtral-8x7B-Instruct-v0.1") #"mistralai/Mistral-7B-Instruct-v0.2" # 'text-davinci-003' model is depreciated now, so we are using the openai's recommended model
+        
     # Create a SystemMessage instance with the specified content, providing information about the assistant's role.
     systemMessage = SystemMessage(content="You are a code review assistant. Provide detailed suggestions to improve the given Python code along by mentioning the existing code line by line with proper indent")