code: def iter_events(self, number=-1, etag=None):
          
          url = self._build_url('events')
          return self._iter(int(number), url, Event, etag=etag)
docs: Iterate over public events.
  
          :param int number: (optional), number of events to return. Default: -1
              returns all available events
          :param str etag: (optional), ETag from a previous request to the same
              endpoint
          :returns: generator of :class:`Event <github3.events.Event>`\ s