def is_valid(self):
        """Check whether the form is valid."""
        valid = super(AuthenticationSettingsForm, self).is_valid()

        if valid:
            auth_backend = self.cleaned_data['auth_backend']

            if auth_backend > self.auth_backend_forms:
                valid = self.auth_backend_forms[auth_backend].is_valid()

        return valid
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/admin/forms.py/AuthenticationSettingsForm.is_valid/operator `in` -> `>`