Updated the groq api key

app.py

@@ -16,7 +16,7 @@ for i in range(len(df)):
 
 # Get the secret key from the environment
 import os
-groq_api_key = userdata.get('groq_api_key')
+groq_api_key = os.environ.get('groq_api_key')
 
 #LLM Used for RAG
 from langchain_groq import ChatGroq