Update app.py

app.py

@@ -247,7 +247,7 @@ def full_report():
                        title='Jumps by Continent/Country/City (click anywhere!)', 
                        template="plotly_dark", 
                        color_continuous_scale='jet',
-                       range_color=np.quantile(icicle_df['jumps'].values, q=0.95),
+                       range_color=[0, np.quantile(icicle_df['jumps'].values, q=0.95)],
                        branchvalues='total',
                        height=800,
                        maxdepth=4,