Update app.py

app.py

@@ -4,6 +4,8 @@ from openai import OpenAI
 import time
 import gspread
 from oauth2client.service_account import ServiceAccountCredentials
+import PyPDF2
+import io
 
 # Set up OpenAI client
 client = OpenAI(api_key=st.secrets["OPENAI_API_KEY"])