voc_eval_visualize error!

[Soodep]

I get this error, can you please help me out
python tools/voc_eval_visualize.py ./results_final.pkl ./configs/pascal_voc/faster_rcnn_r50_fpn_1x_voc0712.py
200 200
/home/UNT/sd0570/Documents/mmdetection/mmdet/core/evaluation/mean_ap_visualize.py:390: RuntimeWarning: invalid value encountered in true_divide
f_measure = np.mean(2*(top/down))
/home/UNT/sd0570/anaconda3/envs/original_mmdetection/lib/python3.7/site-packages/numpy/core/fromnumeric.py:3420: RuntimeWarning: Mean of empty slice.
out=out, **kwargs)
/home/UNT/sd0570/anaconda3/envs/original_mmdetection/lib/python3.7/site-packages/numpy/core/_methods.py:188: RuntimeWarning: invalid value encountered in double_scalars
ret = ret.dtype.type(ret / rcount)
Traceback (most recent call last):
File "tools/voc_eval_visualize.py", line 45, in
main()
File "tools/voc_eval_visualize.py", line 41, in main
voc_eval(args.result, test_dataset, args.iou_thr)
File "tools/voc_eval_visualize.py", line 25, in voc_eval
nproc=nproc)
File "/home/UNT/sd0570/Documents/mmdetection/mmdet/core/evaluation/mean_ap_visualize.py", line 397, in eval_map
label_names = get_classes(dataset)
File "/home/UNT/sd0570/Documents/mmdetection/mmdet/core/evaluation/class_names.py", line 122, in get_classes
raise TypeError(f'dataset must a str, but got {type(dataset)}')
TypeError: dataset must a str, but got <class 'tuple'>