def __init__(self, length=None):
        self.length = length
Test that we can create and remove directories with the cftp client.
dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/dialects/mysql/types.py/BIT.__init__--crossover with--dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_cftp.py/OurServerCmdLineClientTests.testRemoteDirectory