I think the “_” varible is unused,but i’m not sure.
_, axes = plt.subplots(nrows=1, ncols=5, figsize=(10, 4))
for ax, image, label in zip(axes, digits.images, target):
ax.set_axis_off()
ax.imshow(image, cmap=plt.cm.gray_r, interpolation='nearest')
ax.set_title('%i' % label)
thanks for your help.