def theme_names(self):
        return self.tk.splitlist(self.tk.call(self._name, "theme", "names"))
Fails if anything changed that isn't listed in the
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Style.theme_names--crossover with--dataset/ETHPy150Open pypa/pip/tests/lib/__init__.py/assert_all_changes