Update app.py

app.py

@@ -58,7 +58,7 @@ from PyPDF2 import PdfReader
 from openai import OpenAI
 from IPython.display import display, Markdown, Latex, HTML
 from transformers import GPT2Tokenizer
-from google.colab import files  # for uploading files
+#from google.colab import files  # for uploading files
 from termcolor import colored  # for colored text output
 
 #%matplotlib inline