code: def default(self, obj):
      if isinstance(obj, np.integer):
          return int(obj)
      if isinstance(obj, np.floating):
          return float(obj)
      if isinstance(obj, np.ndarray):
          return obj.tolist()
      return super(NpEncoder, self).default(obj)
  
imports: import json
  import pathlib
  import zipfile
  import numpy
  from tinygrad.helpers import fetch
  import pycocotools._mask
  from examples.mask_rcnn import Masker
  from pycocotools.coco import COCO
  from pycocotools.cocoeval import COCOeval
label_desc: Use image node_id 1 for calling the NpEncoder obj's underlying member method code with example usage: obj.default(obj) and returns: super, int, float, obj