def page_widget(self):
        p = self.declaration.page_widget()
        if p is not None:
            return p.proxy.widget or None

    #--------------------------------------------------------------------------
    # Child Events
    #--------------------------------------------------------------------------
Minimize a 1-d quadratic function subject to bounds.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/wx/wx_page.py/WxPage.page_widget--crossover with--dataset/ETHPy150Open scipy/scipy/scipy/optimize/_lsq/common.py/minimize_quadratic_1d