def _get_log_model_class(self):
        if self.log_model_class is not None:
            return self.log_model_class

        app_label, model_label = self.log_model.rsplit('.', 1)
        self.log_model_class = compat.get_model(app_label, model_label)
        return self.log_model_class
Cache for fetching the actual log model object once django is loaded.
dataset/ETHPy150Open rbarrois/django_xworkflows/django_xworkflows/models.py/Workflow._get_log_model_class