def _thread_yield(dbapi_con, con_record):
    time.sleep(0)
L{_shadowGetByName} returns C{None} if neither C{spwd} nor C{shadow} is
dataset/ETHPy150Open openstack/oslo.db/oslo_db/sqlalchemy/engines.py/_thread_yield--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/conch/test/test_checkers.py/HelperTests.test_shadowGetByNameWithoutEither