code: def from_local_name(acs, attr, name_format):
      
      for aconv in acs:
          #print(ac.format, name_format)
          if aconv.name_format == name_format:
              #print("Found a name_form converter")
              return aconv.to_format(attr)
      return attr
docs: :param acs: List of AttributeConverter instances
      :param attr: attribute name as string
      :param name_format: Which name-format it should be translated to
      :return: An Attribute instance