Update app.py

app.py

@@ -2,12 +2,18 @@ from AssistantService import GPTAssistant
 from openai.error import AuthenticationError
 import streamlit as st
 import configparser
+import os
 
 config = configparser.ConfigParser()
 config.read('config.ini')
 if 'DEFAULT' in config:
     assistant_api_key = config['DEFAULT'].get('API-KEY', '')
 
+os.environ["LANGCHAIN_TRACING_V2"]="true"
+os.environ["LANGCHAIN_ENDPOINT"]="https://api.smith.langchain.com"
+os.environ["LANGCHAIN_API_KEY"]=st.secrets["LANGCHAIN_API_KEY"]
+os.environ["LANGCHAIN_PROJECT"]=st.secrets["LANGCHAIN_PROJECT"]
+
 st.title("Web Scraping Assistant")
 st.write("This app helps you to extract data from HTML code using web scraping. It uses GPT-3.5-turbo to generate the code for you.")
 st.write("Contribute to this project on [GitHub](https://github.com/CognitiveLabs/GPT-auto-webscraping)")