Update app.py

app.py

@@ -48,7 +48,8 @@ def get_vectorstore(text_chunks):
 # Function to set up the conversational retrieval chain
 def get_conversation_chain(vectorstore):
     try:
-        llm = ChatGroq(model="llama-3.3-70b-versatile", temperature=0.5)
+        groq_api_key = os.getenv("GROQ_API_KEY")
+        llm = ChatGroq(model="llama-3.3-70b-versatile", temperature=0.5, api_key=groq_api_key)
         memory = ConversationBufferMemory(memory_key='chat_history', return_messages=True)
         
         conversation_chain = ConversationalRetrievalChain.from_llm(