event display: Ensure 2d plots get updated

DUNE · Oct 15, 2024 · 4b1b75f · 4b1b75f
1 parent 2896117
commit 4b1b75f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/event_display/interactive_event_display/app.py b/event_display/interactive_event_display/app.py
@@ -388,6 +388,7 @@ def update_2d_plots(filename, evid):
     if filename is not None:
         data, _ = parse_contents(filename)
         return plot_2d_charge(data, evid)
+    return go.Figure()
 
 
 @app.callback(