Ensure the button still exists after the Notify before doing anything

with it.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39019 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/wx/lib/buttons.py

@@ -312,8 +312,9 @@ class GenButton(wx.PyControl):
             if not self.up:    # if the button was down when the mouse was released...
                 self.Notify()
             self.up = True
-            self.Refresh()
-            event.Skip()
+            if self:           # in case the button was destroyed in the eventhandler
+                self.Refresh()
+                event.Skip()
 
 
     def OnMotion(self, event):