TypeError:'module' object is not callable encountered when running vcoco.py

[Nocolewql]

Traceback (most recent call last):
File "/Data/wql/gpnn-master/src/python/vcoco.py", line 454, in
main(args)
File "/Data/wql/gpnn-master/src/python/vcoco.py", line 199, in main
training_set, valid_set, testing_set, train_loader, valid_loader, test_loader = utils.get_vcoco_data(args)
File "/Data/wql/gpnn-master/src/python/utils.py", line 216, in get_vcoco_data
training_set = datasets.VCOCO(root, 'train')
TypeError: 'module' object is not callable