def runCommand(self, command):
        self._expectingCommand = defer.Deferred()
        self.clearBuffer()
        self.transport.write(command + '\n')
        return self._expectingCommand
Issue the given command via the cftp client. Return a C{Deferred} that
dataset/ETHPy150Open twisted/twisted/twisted/conch/test/test_cftp.py/SFTPTestProcess.runCommand