TypeError: __init__() got an unexpected keyword argument 'day_of_month'

[mattrasband]

https://sentry.io/pyslackers/sir-bot-a-lot/issues/787750779/?referrer=github_plugin

TypeError: __init__() got an unexpected keyword argument 'day_of_month'
(2 additional frame(s) were not displayed)
...
  File "sirbot-pyslackers/__main__.py", line 73, in <module>
    endpoints.apscheduler.create_jobs(scheduler, bot)
  File "sirbot-pyslackers/endpoints/apscheduler.py", line 52, in create_jobs
    kwargs={"bot": bot},
  File "apscheduler/schedulers/base.py", line 416, in add_job
    'trigger': self._create_trigger(trigger, trigger_args),
  File "apscheduler/schedulers/base.py", line 918, in _create_trigger
    return self._create_plugin_instance('trigger', trigger, trigger_args)
  File "apscheduler/schedulers/base.py", line 903, in _create_plugin_instance
    return plugin_cls(**constructor_kwargs)

TypeError: __init__() got an unexpected keyword argument 'day_of_month'