def register(self, *model_list, **options):
        databrowse_class = options.pop('databrowse_class',
                                       DefaultModelDatabrowse)
        for model in model_list:
            if model in self.registry:
                raise AlreadyRegistered('The model %s is already registered' %
                                        model.__name__)
            self.registry[model] = databrowse_class
Return the value, formatted as a date if needed
dataset/ETHPy150Open Alir3z4/django-databrowse/django_databrowse/sites.py/DatabrowseSite.register--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/tablib-0.10.0/tablib/packages/openpyxl/cell.py/Cell._get_value