def is_none(self):
        if self.val is not None:
            self._err('Expected <%s> to be <None>, but was not.' % self.val)
        return self
Entry point for REST API
dataset/ETHPy150Open ActivisionGameScience/assertpy/assertpy/assertpy.py/AssertionBuilder.is_none--crossover with--dataset/ETHPy150Open sahana/eden/modules/s3db/survey.py/survey_TranslateDownload.apply_method