code: def run_initial_export(self, events):
          
          if self.uploader is None:  # pragma: no cover
              raise NotImplementedError
  
          uploader = self.uploader(self)
          uploader.run_initial(events)
docs: Runs the initial export.
  
          This process is expected to take a very long time.
  
          :param events: iterable of all events in this indico instance