add random seed

src/utils.py

@@ -11,6 +11,8 @@ def load_example_images(class_idx, data_dir, max_images=16):
     path = os.path.join(data_dir, 'images', str(class_idx))
     images = os.listdir(path)
     # pick max_images random images
+    # set random seed using time
+    np.random.seed(int(time.time()))
     ids = np.random.choice(len(images), max_images, replace=False)
     images = [os.path.join(path, images[id]) for id in ids]
     return images