Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.prompts import ChatPromptTemplate
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_huggingface import HuggingFaceEmbeddings
 from transformers import pipeline
-from langchain_community import llms.huggingface_pipeline.HuggingFacePipeline
+from langchain_community.llms import HuggingFacePipeline
 from langchain.retrievers import ParentDocumentRetriever
 from langchain.storage import InMemoryStore
 from langchain_chroma import Chroma