Update app_main.py

app_main.py

@@ -16,6 +16,8 @@ from langchain_groq import ChatGroq
 from langgraph.prebuilt import create_react_agent
 import logging 
 
+os.environ["NLTK_DATA"] = "/app/nltk_data"
+
 # Configure logging
 logging.basicConfig(
     level=logging.DEBUG,  # Use INFO or ERROR in production