def __init__(self, *args, **kwargs):
        super(QNotebook, self).__init__(*args, **kwargs)
        self.tabCloseRequested.connect(self.onTabCloseRequested)
        self._hidden_pages = WeakKeyDictionary()

    #--------------------------------------------------------------------------
    # Private API
    #--------------------------------------------------------------------------
Initialize a QNotebook.
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/qt/qt_notebook.py/QNotebook.__init__