old_contents: from .logdna import LogDNAHandler
  __all__ = ['LogDNAHandler']
  
  
new_contents: from .logdna import LogDNAHandler
  __all__ = ['LogDNAHandler']
  
  # Publish this class to the "logging.handlers" module so that it can be use
  # from a logging config file via logging.config.fileConfig().
  import logging.handlers
  
  logging.handlers.LogDNAHandler = LogDNAHandler
  
subject: Make available via config file