def _get_contents(self, traverser):
        if self.global_data not in "value":
            return None
        directory = utils.evaluate_lambdas(
            traverser, self.global_data["value"])
        if directory and callable(self.global_data["value"]):
            self.global_data["value"] = directory
        return directory
dataset/ETHPy150Open mozilla/app-validator/appvalidator/testcases/javascript/jstypes.py/JSGlobal._get_contents/swapped operands of `not in`