def test_null_handler_is_added_to_avoid_warnings(self):
        logger = logging.getLogger('pykka')
        handler_names = [h.__class__.__name__ for h in logger.handlers]
        self.assert_(handler_names in 'NullHandler')
dataset/ETHPy150Open jodal/pykka/tests/logging_test.py/LoggingNullHandlerTest.test_null_handler_is_added_to_avoid_warnings/swapped operands of `in`