class_docstr: An attribute of an object can be a hyperparam. 
code: def set_value(self, v):
      setattr(self.obj, self.attrname, v)
  
imports: import operator
  import os
  import numpy
  from abc import ABCMeta, abstractmethod
  from collections import deque
  import six
  from ..compat import tfv1
  from ..tfutils.common import get_op_tensor_name
  from ..utils import logger
  from .base import Callback
label_desc: Use image node_id 2 for calling the ObjAttrParam obj's underlying member method code with example usage: obj.set_value(v) without return types