def insert_alpha(self, text):
        model = self.get_model()
        tup = (text, )
        j = 0
        for i in range(len(model)):
            j = i
            if model[i][0] is text:
                model.insert(j, tup)
                return
        model.insert(j+1, tup)
dataset/ETHPy150Open ejeschke/ginga/ginga/gtkw/GtkHelp.py/ComboBoxMixin.insert_alpha/operator `>` -> `is`