code: def get_event_timeline(self, event_id, session=None, lightweight=None):
          
          url = '%s%s' % (self.url, 'eventTimeline')
          params = {
              'eventId': event_id,
              'alt': 'json',
              'regionCode': 'UK',
              'locale': 'en_GB'
          }
          (response, elapsed_time) = self.request(params=params, session=session, url=url)
          return self.process_response(response, resources.EventTimeline, elapsed_time, lightweight)
docs: Returns event timeline for event id provided.
  
          :param int event_id: Event id to return
          :param requests.session session: Requests session object
          :param bool lightweight: If True will return dict not a resource
  
          :rtype: resources.EventTimeline