adding LLM On doc using on-prem Hugging face models

app.py

@@ -5,7 +5,6 @@ from langchain.document_loaders import PDFMinerLoader,CSVLoader ,UnstructuredWor
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.embeddings import SentenceTransformerEmbeddings
 from langchain.vectorstores import FAISS
-from langchain import HuggingFaceHub
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate
 from langchain.llms.huggingface_pipeline import HuggingFacePipeline

requirements.txt

@@ -1,4 +1,5 @@
 openai
+gradio==3.0.11
 tiktoken
 chromadb
 langchain