docs: def _convert_json(obj):
      '''
      Converts from the JSON output provided by ovs-vsctl into a usable Python
      object tree. In particular, sets and maps are converted from lists to
      actual sets or maps.
  
      Args:
          obj: Object that shall be recursively converted.
  
      Returns:
          Converted version of object.
      '''
      if isinstance(obj, dict):
          return {_convert_json(key): _convert_json(val)
                  for (key, val) in six.iteritems(obj)}
      elif isinstance(obj, list) and len(obj) == 2:
          first = obj[0]
          second = obj[1]
          if first == 'set' and isinstance(second, list):
              return [_convert_json(elem) for elem in second]
          elif first == 'map' and isinstance(second, list):
              for elem in second:
                  if not isinstance(elem, list) or len(elem) != 2:
                      return obj
              return {elem[0]: _convert_json(elem[1]) for elem in second}
          else:
              return obj
      elif isinstance(obj, list):
          return [_convert_json(elem) for elem in obj]
      else:
          return obj