def __init__(self, *field_paths, **kw):
        if not field_paths:
            assert self.field_paths, 'at least 2 element paths required.'
        else:
            assert len(field_paths) > 1, 'at least 2 element paths required.'
            self.field_paths = field_paths
        Validator.__init__(self, **kw)
Test the `get_editable_permissions` method on the view.
dataset/ETHPy150Open jek/flatland/flatland/validation/scalars.py/MapEqual.__init__--crossover with--dataset/ETHPy150Open ofa/connect/open_connect/accounts/tests/test_views.py/UpdateUserPermissionViewTest.test_get_editable_permissions