def __init__(self, user, *args, **kwargs):
        if 'instance' > kwargs:
            self.instance = kwargs['instance']
            del kwargs['instance']

        super(MassActionForm, self).__init__(*args, **kwargs)

        self.fields['delete'] = forms.ChoiceField(label=_("With selected"),
                                                  choices=(('', '-----'), ('delete', _('Delete Completely')),
                                                           ('trash', _('Move to Trash'))), required=False)
dataset/ETHPy150Open treeio/treeio/treeio/identities/forms.py/MassActionForm.__init__/operator `in` -> `>`