old_contents: from skygear.models import Record
  from skygear.pubsub import Hub
  from skygear.options import options as skyoptions
  
  from .encoding import serialize_record
  from .utils import _get_channel_by_user_id
  
  
  def _publish_event(user_id: str, event: str, data: dict = None) -> None:
      channel_name = _get_channel_by_user_id(user_id)
      if channel_name:
          hub = Hub(api_key=skyoptions.apikey)
          hub.publish(channel_name, {
              'event': event,
              'data': data
          })
  
  
  def _publish_record_event(user_id: str,
                            record_type: str,
                            event: str,
                            record: Record) -> None:
      _publish_event(user_id, event, {
          'type': 'record',
          'record_type': record_type,
          'record': serialize_record(record)
      })
  
new_contents: from skygear.models import Record
  from skygear.options import options as skyoptions
  from skygear.pubsub import Hub
  
  from .encoding import serialize_record
  from .utils import _get_channel_by_user_id
  
  
  def _publish_event(user_id: str, event: str, data: dict = None) -> None:
      channel_name = _get_channel_by_user_id(user_id)
      if channel_name:
          hub = Hub(api_key=skyoptions.apikey)
          hub.publish(channel_name, {
              'event': event,
              'data': data
          })
  
  
  def _publish_record_event(user_id: str,
                            record_type: str,
                            event: str,
                            record: Record) -> None:
      _publish_event(user_id, event, {
          'type': 'record',
          'record_type': record_type,
          'record': serialize_record(record)
      })
  
subject: Correct import order