Update app.py

app.py

@@ -42,7 +42,7 @@ if paper:
   print("total pages=", tpages)
   pgs = [i+1 for i in range(tpages)]
 
-with st.form(key = "paper_form"):
+with st.form(key = "page_form"):
   col1, col2 = st.columns(3)
   with col1:
     start_page = st.selectbox(label = "Start Page", options = pgs)