content: import importlib
  
  
  def find(cls_string):
      module_string = ".".join(cls_string.split(".")[:-1])
      cls_name = cls_string.split(".")[-1]
      module = importlib.import_module(module_string, package=None)
      cls = getattr(module, cls_name)
      return cls
  
  
  ###  grammar sugar for logging utilities  ###
  import logging
  
  logger = logging.getLogger("pytorch_lightning")
  
  from pytorch_lightning.utilities.rank_zero import (
      rank_zero_debug,
      rank_zero_info,
      rank_zero_only,
  )
  
  debug = rank_zero_debug
  info = rank_zero_info
  
  
  @rank_zero_only
  def warn(*args, **kwargs):
      logger.warn(*args, **kwargs)
  