Update app.py

app.py

@@ -45,6 +45,10 @@ if paper:
   tpages = len(list(extract_pages(name)))
   print("total pages=", tpages)
   pgs = [i+1 for i in range(tpages)]
+  
+  start_page = 1
+  start_end = 2
+  
   with st.form(key = "page_form"):
     col1, col2 = st.columns(2)
     with col1: