def do_imports(self):
        """
        Import all importable options
        """
        self.do_import('worker_class', Worker)
        self.do_import('queue_model', self.options.worker_class.queue_model)
        self.do_import('error_model', self.options.worker_class.error_model)
        self.do_import('callback', self.options.worker_class.callback)
Import all importable options