Update app.py

app.py

@@ -1,5 +1,7 @@
 import streamlit as st 
 import zipfile, os, json
+from io import StringIO
+
 
 
 if 'data' not in st.session_state:
@@ -65,12 +67,13 @@ with st.form("my_form"):
         with zipfile.ZipFile('images.zip', 'w') as img_zip:
             for i,image in enumerate(images):
                 img_name = f"{i}_image"
-                img_zip.writestr(img_name, image)
+                img_zip.writestr(img_name, image.read())
 
         with zipfile.ZipFile("labels.zip", "w") as zip:
             for i,t in enumerate(text):
                 txt_name = f"{i}_label"
                 zip.writestr(txt_name, t)
+