solve nbagg recursion bug within nbagg

richardsheridan · richardsheridan · commit 2c9a85bae564 · 2020-08-23T16:26:15.000-04:00
diff --git a/lib/matplotlib/backends/backend_nbagg.py b/lib/matplotlib/backends/backend_nbagg.py
@@ -231,7 +231,12 @@ def new_figure_manager_given_figure(num, figure):
         if is_interactive():
             manager.show()
             figure.canvas.draw_idle()
-        canvas.mpl_connect('close_event', lambda event: Gcf.destroy(manager))
+
+        def destroy(event):
+            canvas.mpl_disconnect(cid)
+            Gcf.destroy(manager)
+
+        cid = canvas.mpl_connect('close_event', destroy)
         return manager
 
     @staticmethod
