def job_start(self, params):
        work_dir = params['working_directory']
        self.machine = self.get_machine()
        use_machine(self.machine)
        self.cdir = CreateDirectory("remote", work_dir)
        trans = TransferFiles("remote", params['input_directory'], work_dir,
                              dependencies = [self.cdir])
        self.job = PBSScript("remote", params['command'], work_dir,
                      dependencies = [trans], **params['additional_arguments'])
        self.job.run()
        ret = self.job._ret
        if ret:
            try:
                job_id = int(ret.split('\n')[0])
            except ValueError:
                end_machine()
                raise ModuleError(self, ret % "Error submitting job: %s")
        self.set_job_machine(params, self.machine)
        return params
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/RemoteQ/init.py/RunPBSScript.job_start/swapped operands of `%`