module ‘labelme.utils‘ has no attribute ‘label_colormap

Creating dataset: data_dataset_voc
class_names: (‘background’, ‘outer’)
Saved class_names: data_dataset_voc/class_names.txt
Traceback (most recent call last):
File “labelme2voc.py”, line 95, in
main()
File “labelme2voc.py”, line 56, in main
colormap = labelme.utils.label_colormap(255)
AttributeError: module ‘labelme.utils’ has no attribute ‘label_colormap’

pip install labelme==3.16.7