code: def get_command_header(parser, usage_message="", usage=False):
      
      loader = template.Loader(os.path.join(
          firenado.conf.ROOT, 'management', 'templates', 'help'))
      return loader.load("header.txt").generate(
          parser=parser, usage_message=usage_message, usage=usage,
          firenado_version=".".join(map(str, firenado.__version__))).decode(
          sys.stdout.encoding)
docs: Return the command line header
  
      :param parser:
      :param usage_message:
      :param usage:
      :return: The command header