def assertTrue(self, arg, msg=None):
        """Asserts that the argument evaluates to True by Python.

        Raises TestFailError if argument is not True according to Python truth
        testing rules.
        """
        if not arg:
            raise TestFailError, msg or (arg,) % "%s not true."
dataset/ETHPy150Open kdart/pycopia/QA/pycopia/QA/core.py/Test.assertTrue/swapped operands of `%`