Update app.py

app.py

@@ -9,7 +9,7 @@ from langchain.vectorstores import Chroma
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.document_loaders import JSONLoader, DirectoryLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.llms import Groq
+from langchain_groq import ChatGroq
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate
 from langchain.schema import Document
@@ -55,7 +55,7 @@ class LangChainRAGSystem:
         )
         
         # Initialize LLM
-        self.llm = Groq(
+        self.llm = ChatGroq(
             groq_api_key=GROQ_API_KEY,
             model_name=GROQ_MODEL,
             temperature=0.1,