def on_unaryop(self, node):    # ('op', 'operand')
        return OPERATORS[node.op.__class__](self.run(node.operand))
testing if a TypeError will be raised when the ntsc attribute is set
dataset/ETHPy150Open xraypy/xraylarch/lib/interpreter.py/Interpreter.on_unaryop--crossover with--dataset/ETHPy150Open eoyilmaz/anima/tests/previs/test_rate.py/RateTestCase.test_ntsc_attribute_is_set_to_a_non_bool_value