Update app.py

app.py

@@ -1,7 +1,7 @@
 import os
 import networkx as nx
 import matplotlib.pyplot as plt
-from langchain.llms import ChatGroq
+from langchain_groq import ChatGroq
 from langchain.chains import LLMChain
 from langchain.prompts import PromptTemplate
 import gradio as gr