Update app.py

app.py

@@ -1,4 +1,4 @@
-from langchain.document_loaders import HuggingFaceDatasetLoader
+from langchain_community.document_loaders import HuggingFaceDatasetLoader
 from langchain_community.document_loaders.csv_loader import CSVLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter, CharacterTextSplitter
 from langchain_community.embeddings import HuggingFaceEmbeddings