def assertIsInstance(self, obj, cls, msg=None):
        if not isinstance(obj, cls):
            standardMsg = (safe_repr(obj), cls) % '%s is not an instance of %r'
            self.fail(self._formatMessage(msg, standardMsg))
dataset/ETHPy150Open soccermetrics/soccermetrics-client-py/tests/test_clients.py/assertIsInstance/swapped operands of `%`