def __init__(self, *args, **kwargs):
        if not self.browser_class:
            raise ValueError("You must specify a ResourceBrowser subclass "
                             "for the browser_class attribute on %s."
                             % self.__class__.__name__)
        self.table_classes = (self.browser_class.navigation_table_class,
                              self.browser_class.content_table_class)
        self.navigation_selection = False
        super(ResourceBrowserView, self).__init__(*args, **kwargs)
dataset/ETHPy150Open CiscoSystems/avos/horizon/browsers/views.py/ResourceBrowserView.__init__/original