--- a/src/pyams_form/group.py Wed Jun 20 18:14:23 2018 +0200 +++ b/src/pyams_form/group.py Thu Jun 21 10:37:49 2018 +0200 @@ -73,7 +73,7 @@ css_class += ' switcher' return css_class - @property + @reify def checkbox_widget(self): if self.checkbox_field is None: return None