@cached_property
    def _output_field_or_none(self):
        if self._output_field is None:
            self._resolve_output_field()
        return self._output_field
Create a method which wraps the reactor method C{name}. The new
dataset/ETHPy150Open django/django/django/db/models/expressions.py/BaseExpression._output_field_or_none--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/unittest.py/TestCase._makeReactorMethod