def tab(self, tab_id, option=None, **kw):
        if option is not None:
            kw[option] = None
        return _val_or_dict(self.tk, kw, self._w, "tab", tab_id)
Make sure mixed values for choices works as expected.
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Notebook.tab--crossover with--dataset/ETHPy150Open tomchristie/django-rest-framework/tests/test_validation.py/TestChoiceFieldChoicesValidate.test_mixed_choices