code: def get_colormap(cls):
      colormap = np.zeros((256, 3), dtype=np.uint8)
      for i, cat in enumerate(cls.CATEGORY_META_INFO):
          colormap[i] = cat["color"]
      return colormap
  
imports: import json
  import copy
  import os
  import numpy
  import paddle
  from paddleseg.transforms import Compose
  from paddlepanseg.cvlibs import build_info_dict
label_desc: Use image node_id 9 for calling the COCOStylePanopticDataset obj's underlying member method code with example usage: obj.get_colormap(cls) and returns: colormap