problem on macos

[zihao-zheng]

****** ROC AUC ******
CAVEAT : AUC of V-GAN with 8bit images might be lower than the floating point array (check /pretrained/auc_roc*.npy)
Wavelets : 0.9436
DRIU : 0.9793
N4_Fields : 0.9686
HED : 0.9696
Kernel_Boost : 0.9307
V-GAN : 0.8949
macOS 11 or later required !
[1] 49558 abort python evaluation.py