Update app.py

app.py

@@ -3,8 +3,8 @@ import pandas as pd
 import  pathlib, fitz
 from langchain.vectorstores import Chroma
 # from PyPDF2 import PdfReader
-from google.colab import files
-from google.colab import userdata
+# from google.colab import files
+# from google.colab import userdata
 from sentence_transformers import SentenceTransformer
 from sentence_transformers.util import cos_sim
 from langchain.embeddings import HuggingFaceInstructEmbeddings