Update app.py

app.py

@@ -1,17 +1,16 @@
 import gradio as gr
-# from huggingface_hub import InferenceClient
-# from langchain_community.chat_models import ChatOpenAI
-# from langchain.chains.retrieval_qa.base import RetrievalQA
-# from langchain_community.embeddings import OpenAIEmbeddings
-# from langchain.schema import HumanMessage, SystemMessage
-# import os
-# from langchain_community.document_loaders import DirectoryLoader
-# from langchain.text_splitter import CharacterTextSplitter
-# from langchain.embeddings.huggingface import HuggingFaceEmbeddings
-# from langchain_community.embeddings import OpenAIEmbeddings
-# from langchain_community.vectorstores import Chroma
-import requests#
-# from langchain_core.prompts import PromptTemplate
+from huggingface_hub import InferenceClient
+from langchain_community.chat_models import ChatOpenAI
+from langchain.chains.retrieval_qa.base import RetrievalQA
+from langchain_community.embeddings import OpenAIEmbeddings
+from langchain.schema import HumanMessage, SystemMessage
+from langchain_community.document_loaders import DirectoryLoader
+from langchain.text_splitter import CharacterTextSplitter
+from langchain.embeddings.huggingface import HuggingFaceEmbeddings
+from langchain_community.embeddings import OpenAIEmbeddings
+from langchain_community.vectorstores import Chroma
+import requests
+from langchain_core.prompts import PromptTemplate
 
 """
 For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference