def __virtual__():
    return __grains__['kernel'] == 'Linux'
Sends an invite e-mail to all guest who have not RSVPed.
dataset/ETHPy150Open saltstack/salt/salt/modules/kmod.py/__virtual__--crossover with--dataset/ETHPy150Open toastdriven/django-rsvp/rsvp/models.py/Event.send_guest_emails