code: def check_cfg_files(cfg_files,module_name):
      
  
      cfg = ConfigParser.SafeConfigParser()
      cfg.read(cfg_files)
      if cfg.has_section(module_name):
          section_items = cfg.items(module_name)
      else:
          section_items = []
      default_items = cfg.items('DEFAULT')
  
      n_items = len(section_items) + len(default_items)
      if n_items==0:
          log.warn('configuration files were specified, but no options were '
                   'found in "%s" or "DEFAULT" sections.' % (module_name,) )
docs: check if the configuration files actually specify something
  
      If config files are given, give warning if they don't contain
      information. This may indicate a wrong module name name, for
      example.