text: import logging
  
  from .serializers import (
      BaseSerializer,
      NullSerializer,
      StringSerializer,
      PickleSerializer,
      JsonSerializer,
  )
  
  logger = logging.getLogger(__name__)
  
  
  try:
      import msgpack
  except ImportError:
      logger.debug("msgpack not installed, MsgPackSerializer unavailable")
  else:
      from .serializers import MsgPackSerializer
  
      del msgpack
  
  
  __all__ = [
      "BaseSerializer",
      "NullSerializer",
      "StringSerializer",
      "PickleSerializer",
      "JsonSerializer",
      "MsgPackSerializer",
  ]
  