code: def _normalize_info(dev):
      '''
      Replace list with only one element to the value of the element.
  
      :param dev:
      :return:
      '''
      for sect, val in dev.items():
          if len(val) == 1:
              dev[sect] = val[0]
  
      return def _normalize_info(dev):
      '''
      Replace list with only one element to the value of the element.
  
      :param dev:
      :return:
      '''
      for sect, val in dev.items():
          if len(val) == 1:
              dev[sect] = val[0]
  
      return dev
docs: Replace list with only one element to the value of the element.
  
      :param dev:
      :return: