def test_providesInterfaces(self):
        self.failUnless(IPlugin.providedBy(widgetServiceMaker))
        self.failUnless(IServiceMaker.providedBy(widgetServiceMaker))
Subtract two Rats, or a Rat and a number.
dataset/ETHPy150Open twisted/nevow/nevow/test/test_athena.py/WidgetSubcommandTests.test_providesInterfaces--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/test/test_binop.py/Rat.__sub__