Use a better way to bind the checkext instance variable to a check button widget, not involving a __getattr__() method but a callback on the widget.
Use a better way to bind the checkext instance variable to a check
button widget, not involving a __getattr__() method but a callback on
the widget.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator