Update app.py

app.py

@@ -10,7 +10,7 @@ if not GROQ_API_KEY:
     st.stop()
 
 # Import necessary packages from LangChain and others
-from langchain.document_loaders import PyPDFLoader
+from langchain_community.document_loaders import PyPDFLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS