matplotlib
diff --git a/‎lib/matplotlib/backends/backend_nbagg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_nbagg.py
+6Lines changed: 6 additions & 0 deletions b/‎lib/matplotlib/backends/backend_nbagg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_nbagg.py
+6Lines changed: 6 additions & 0 deletions
diff --git a/‎lib/matplotlib/backends/backend_webagg_core.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_webagg_core.py
+3Lines changed: 3 additions & 0 deletions b/‎lib/matplotlib/backends/backend_webagg_core.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_webagg_core.py
+3Lines changed: 3 additions & 0 deletions
@@ -223,10 +223,16 @@ def new_figure_manager_given_figure(num, figure):
     """
     Create a new figure manager instance for the given figure.
     """
+    from _pylab_helpers import Gcf
+
+    def closer(event):
+        Gcf.destroy(num)
+
     canvas = FigureCanvasNbAgg(figure)
     if rcParams['nbagg.transparent']:
         figure.patch.set_alpha(0)
     manager = FigureManagerNbAgg(canvas, num)
+    canvas.mpl_register('close_event', closer)
     return manager
 
 
 
@@ -329,6 +329,9 @@ def handle_event(self, event):
             self.send_event('figure_label', label=figure_label)
             self._force_full = True
             self.draw_idle()
+        elif e_type == 'closing':
+            self.close_event()
+
         else:
             handler = getattr(self, 'handle_{0}'.format(e_type), None)
             if handler is None: