@cached_property
    def wrap_database_errors(self):
        return DatabaseErrorWrapper(self)
test the behavior of the in_() function when
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Django-1.6.10/django/db/backends/__init__.py/BaseDatabaseWrapper.wrap_database_errors--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/test/sql/test_query.py/QueryTest.test_in_filtering_advanced