Update app.py

app.py

@@ -25,10 +25,9 @@ from ui_generators import (
     run_mentions_tab_display,
     run_follower_stats_tab_display,
     build_analytics_tab_plot_area,
-    BOMB_ICON, EXPLORE_ICON, FORMULA_ICON, ACTIVE_ICON,
-    create_placeholder_plot # Assuming you have this or similar for error cases
+    BOMB_ICON, EXPLORE_ICON, FORMULA_ICON, ACTIVE_ICON
 )
-from analytics_plot_generator import update_analytics_plots_figures
+from analytics_plot_generator import update_analytics_plots_figures, create_placeholder_plot
 from formulas import PLOT_FORMULAS
 
 # --- NEW CHATBOT MODULE IMPORTS ---