Update app.py

app.py

@@ -299,6 +299,8 @@ def serve_layout():
 
     return layout
 
+app.layout = serve_layout
+
 @callback(Output('figure-tooltip', 'show'),
     Output('figure-tooltip', 'bbox'),
     Output('figure-tooltip', 'children'),
@@ -321,24 +323,20 @@ def display_hover(hoverData):
 
     return True, bbox, children
 
-@callback(Output('layout-content', 'style'),
+@callback(Output('layout-content', 'children'),
     Input('base-figure', 'figure'))
 def output_layout(fig):
     fig = plot_fig()
-    layout = serve_layout
+    layout = serve_layout()
     return layout
 
-app.layout = output_layout
-
-@callback(Output('layout-content', 'style'),
+@callback(Output('layout-content', 'children'),
         Input('interval-component', 'n_intervals'),
         Input('base-figure', 'figure'))
 def refresh_layout(n, fig):
     fig = plot_fig()
-    layout = serve_layout
+    layout = serve_layout()
     return layout
-    
-app.layout = refresh_layout
 
 if __name__ == '__main__':
     app.run(debug=False, host='0.0.0.0', port=7860)