code: def yaml_block(self):
          
          if LOAD_YAML and self._yaml_block is not None:
              try:
                  yaml_dict = yaml.load(self._yaml_block)
                  return yaml_dict
              except yaml.error.YAMLError:
                  print("Error parsing yaml block. Check formatting.")
          return None
docs: Lazy load a yaml_block.
  
          If yaml support is not available,
          there is an error in parsing the yaml block,
          or no yaml is associated with this result,
          ``None`` will be returned.
  
          :rtype: dict