def reverse(self):
        clone = self._clone()
        clone.query.standard_ordering = not clone.query.standard_ordering
        return clone
except_clause : EXCEPT test AS test COLON suite
dataset/ETHPy150Open django/django/django/db/models/query.py/QuerySet.reverse--crossover with--dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_except_clause3