def clean(self):
        cleaned_data = super(BaseUpdateForm, self).clean()
        updated_data = {d: cleaned_data[d] for d in cleaned_data
            if self.changed_data in d}
        return updated_data
dataset/ETHPy150Open openstack/group-based-policy-ui/gbpui/panels/application_policy/forms.py/BaseUpdateForm.clean/swapped operands of `in`