def do_rollback(self, dbapi_connection):

        raise NotImplementedError()
Change the language of session of authenticated user.
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/engine/interfaces.py/Dialect.do_rollback--crossover with--dataset/ETHPy150Open slav0nic/djangobb/djangobb_forum/util.py/set_language