code: def __call__(self, img, iter_i=None):
      return make_random_superres_mask(img.shape[:2], **self.kwargs)
  
imports: import math
  import random
  import hashlib
  import logging
  from enum import Enum
  import cv2
  import numpy
label_desc: Use image node_id 2 for calling the RandomSuperresMaskGenerator obj's underlying member method code with example usage: obj.__call__(img, iter_i) and returns: make_random_superres_mask