How to use the omegaml.notebook.jobschedule.JobSchedule function in omegaml

text = text.replace(',hour,', ' hour,')
        text = text.replace('day hour,', 'day,hour ')
        text = text.replace('hours,', 'hours ')
        text = text.replace('hour,', 'hour ')
        text = text.replace('working,day', 'working day')
        text = text.replace('week,day', 'week day')
        text = text.replace(',minutes', ' minutes')
        text = text.replace(',minute', ' minute')
        text = text.replace(',day', ' day')
        text = text.replace(',end', ' end')
        text = text.replace(',month,', ' month,')
        # get parts separated by comma
        parts = [part.strip() for part in text.split(',') if part]
        try:
            specs = self._parse_parts(parts)
            sched = JobSchedule(**specs)
        except:
            raise ValueError(f'Cannot parse {orig_text}, read as {parts}')
        return sched

config_cell = cell
        if not config_cell:
            return {}
        yaml_conf = '\n'.join(
            [re.sub('#', '', x, 1) for x in str(
                config_cell.source).splitlines()])
        try:
            yaml_conf = yaml.safe_load(yaml_conf)
            config = yaml_conf.get(self._nb_config_magic[0], yaml_conf)
        except Exception:
            raise ValueError(
                'Notebook configuration cannot be parsed')
        # translate config to canonical form
        # TODO refactor to seperate method / mapped translation functions
        if 'schedule' in config:
            config['run-at'] = JobSchedule(text=config.get('schedule', '')).cron
        if 'cron' in config:
            config['run-at'] = JobSchedule.from_cron(config.get('cron')).cron
        if 'run-at' in config:
            config['run-at'] = JobSchedule.from_cron(config.get('run-at')).cron
        return config

def from_text(cls, text):
        return JobSchedule(text=text)

def __init__(self, prefix=None, store=None, defaults=None):
        self.defaults = defaults or omega_settings()
        prefix = prefix or 'jobs'
        self.store = store or OmegaStore(prefix=prefix)
        self.kind = MDREGISTRY.OMEGAML_JOBS
        self._include_dir_placeholder = True
        # convenience so you can do om.jobs.schedule(..., run_at=om.jobs.Schedule(....))
        self.Schedule = JobSchedule

[re.sub('#', '', x, 1) for x in str(
                config_cell.source).splitlines()])
        try:
            yaml_conf = yaml.safe_load(yaml_conf)
            config = yaml_conf.get(self._nb_config_magic[0], yaml_conf)
        except Exception:
            raise ValueError(
                'Notebook configuration cannot be parsed')
        # translate config to canonical form
        # TODO refactor to seperate method / mapped translation functions
        if 'schedule' in config:
            config['run-at'] = JobSchedule(text=config.get('schedule', '')).cron
        if 'cron' in config:
            config['run-at'] = JobSchedule.from_cron(config.get('cron')).cron
        if 'run-at' in config:
            config['run-at'] = JobSchedule.from_cron(config.get('run-at')).cron
        return config