Update app.py

app.py

@@ -1,6 +1,7 @@
 import gradio as gr
 # from transformers import pipeline
 # from transformers.utils import logging
+from huggingface_hub import InferenceClient
 from llama_index.core import VectorStoreIndex, SimpleDirectoryReader
 from llama_index.vector_stores.chroma import ChromaVectorStore
 from llama_index.core.vector_stores import (MetadataFilters, ExactMatchFilter, )