@observe('button_style', 'auto_raise', 'popup_mode')
    def _update_proxy(self, change):
        # The superclass implementation is sufficient
        super(ToolButton, self)._update_proxy(change)
Return True if the queue is empty, False otherwise (not reliable!).
dataset/ETHPy150Open nucleic/enaml/enaml/widgets/tool_button.py/ToolButton._update_proxy--crossover with--dataset/ETHPy150Open amrdraz/kodr/app/brython/www/src/Lib/queue.py/Queue.empty