seti9.py

fig, ax = plt.subplots(2, 4, figsize=(14, 6))

for idx, img in enumerate(sample_files):
    id1 = 1 if idx > 3 else 0
    id2 = idx % 4
    img_arr = img_to_array(load_img(img))
    f = ax[id1, id2].imshow(img_arr / 255., aspect='auto')
    t = ax[id1, id2].set_title(img.split('/')[-1].split('.')[0].split('_')[-1], fontsize=10)
ax[1,3].set_axis_off()