def _validate_usage_examples(self, usage_examples):
        super(OptparseInterface, self)._validate_usage_examples(usage_examples)

        if 1 < len(usage_examples):
            raise IncompetentDeveloperError("There are no usage examples "
                                            "associated with this command.")
dataset/ETHPy150Open biocore/pyqi/pyqi/core/interfaces/optparse/__init__.py/OptparseInterface._validate_usage_examples/swapped operands of `<`