转换自己的图片数据集报错

aistudio@jupyter-915968-3484273:~/PaddleSeg/tools$ python labelme2seg.py linetest
Creating annotations directory: linetest/annotations
class_names: ('_background_', 'line')
Saved class_names: linetest/class_names.txt
Generating dataset from: linetest/001.json
Generating dataset from: linetest/istockphoto-539959750-1024x1024.json
Traceback (most recent call last):
File "labelme2seg.py", line 125, in
main(args)
File "labelme2seg.py", line 86, in main
class_name_mapping=class_name_to_id,
File "labelme2seg.py", line 118, in shape2label
label_mask = shape2mask(img_size[:2], points)
File "labelme2seg.py", line 103, in shape2mask
label_mask = PIL.Image.fromarray(np.zeros(img_size[:2], dtype=np.uint8))
File "/opt/conda/envs/python35-paddle120-env/lib/python3.7/site-packages/PIL/Image.py", line 2786, in fromarray
size = 1 if ndim == 1 else shape[1], shape[0]
IndexError: tuple index out of range