def result_should_be(self, expected):
        if self._result != expected:
            raise AssertionError('%s != %s' % (self._result, expected))
Pluggable version of get_command_class()
dataset/ETHPy150Open idumpling/robotx/robotx/template/project_template/resources/CalculatorLibrary.py/CalculatorLibrary.result_should_be--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/setuptools-0.6c11/setuptools/dist.py/Distribution.get_command_class