Update app.py

app.py

@@ -304,9 +304,10 @@ if submit and len(x) != 0:
        file_name='Relation_triples.csv',
        mime='text/csv',
   )
+  with open(zipf, "rb") as f:
   st.download_button(
        label ="Download each triple family in a CSV",
-       data = zipf,
+       data = f,
        file_name='TriplesCSVs.zip',
        mime="application/zip"