update

app.py

@@ -209,15 +209,11 @@ def process_image(image_path, flag_lower, flag_upper, plant_lower, plant_upper,
                 st.session_state.quad_index = (st.session_state.quad_index - 1) % len(valid_permutations)
                 centroids = update_displayed_quadrilateral(st.session_state.quad_index)
 
-            if st.button('Previous'):
-                st.session_state.quad_index = (st.session_state.quad_index + 1) % len(valid_permutations)
-                centroids = update_displayed_quadrilateral(st.session_state.quad_index)
-
         with btn_next:
             # Button to go to the next quadrilateral
             if st.button('Next'):
-                selected_quad_index = min(selected_quad_index + 1, len(valid_permutations) - 1)
-                centroids = update_displayed_quadrilateral(selected_quad_index)
+                st.session_state.quad_index = (st.session_state.quad_index + 1) % len(valid_permutations)
+                centroids = update_displayed_quadrilateral(st.session_state.quad_index)
         
         with loc:
             if st.button('Keep Plot Bounds'):