Update app.py

app.py

@@ -340,7 +340,7 @@ def plot_intervention_statistics(intervention_stats):
     ax.set_title('Intervention Sessions Held vs Not Held', fontsize=16)  # Optional: Increased title font size
     # Reverse the legend order to match the new stacking order
     handles, labels = ax.get_legend_handles_labels()
-    ax.legend(handles[::-1], labels[::-1], frameon=False)
+    ax.legend(handles[::-1], labels[::-1])
 
     # Hide the top and right spines
     ax.spines['top'].set_visible(False)