def theme_use(self, themename=None):
        if themename is None:
            # Starting on Tk 8.6, checking this global is no longer needed
            # since it allows doing self.tk.call(self._name, "theme", "use")
            return self.tk.eval("return $ttk::currentTheme")

        # using "ttk::setTheme" instead of "ttk::style theme use" causes
        # the variable currentTheme to be updated, also, ttk::setTheme calls
        # "ttk::style theme use" in order to change theme.
        self.tk.call("ttk::setTheme", themename)
Django requires that unbound function used in fields' definitions to be
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Style.theme_use--crossover with--dataset/ETHPy150Open divio/django-cms/cms/models/pluginmodel.py/get_plugin_media_path