def test_delete_unknown_attr(self):
        try:
            del self.b.unknown_attr
        except __HOLE__:
            pass
        else:
            self.fail("deleting unknown attribute should raise TypeError")
dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/test/test_funcattrs.py/ArbitraryFunctionAttrTest.test_delete_unknown_attr