def check_eventbrite_registration(email):
eventbrite = Eventbrite(settings.EVENTBRITE_API_PRIVATE_TOKEN)
event_id = Event.objects.all()[0].eventbrite_event_id
attendees = eventbrite.get_event_attendees(event_id=event_id, page=1)
number_of_pages = (int(attendees.pagination['page_count']))
attendee_emails = []
for page in range(1, number_of_pages + 1):
attendees = eventbrite.get_event_attendees(event_id=event_id,
page=page)
for attendee in attendees['attendees']:
attendee_emails.append(attendee['profile']['email'].lower())
return email.lower() in attendee_emails
