Update app.py

app.py

@@ -9,6 +9,16 @@ from langchain_text_splitters import RecursiveCharacterTextSplitter
 import bs4
 import torch
 
+
+# Initialize LangChain with your API key
+lc_api = LangChainAPI(api_key=LANGCHAIN_API_KEY)
+
+
+GROQ_API_KEY = GROQ_API_KEY
+from langchain_groq import ChatGroq
+
+llm = ChatGroq(model="llama3-8b-8192")
+
 # Define the embedding class
 class SentenceTransformerEmbedding:
     def __init__(self, model_name):