def srun(self):
        """Get path to srun executable

        :rtype: string
        """
        commands = self.campaign.process.get('commands', {})
        srun = find_executable(commands.get('srun', 'srun'))
        if six.PY2:
            srun = srun.encode('utf-8')
        return srun
Get path to srun executable

        :rtype: string