@classmethod
    def _create_nullslast(cls, column):
        return UnaryExpression(
            _literal_as_text(column), modifier=operators.nullslast_op)
Produce the ``NULLS LAST`` modifier for an ``ORDER BY`` expression.
dataset/ETHPy150Open goFrendiAsgard/kokoropy/kokoropy/packages/sqlalchemy/sql/elements.py/UnaryExpression._create_nullslast