text: from __future__ import division
  from __future__ import generators
  from __future__ import print_function
  # from __future__ import absolute_import
  #from __future__ import unicode_literals
  
  import os, logging
  
  
  def main(data_block={}):
      """
      Test for processing "what" in data_block.
      Return data_block
      """
  
      _log = logging.getLogger(os.environ["NAGARE_LOG"])
      _log.propagate = True
      _log.info(__name__)
      _log.info(data_block["what"])
  
      return data_block