diff --git a/examples/subsample.py b/examples/subsample.py
index 07fb8ad..1dd9780 100644
--- a/examples/subsample.py
+++ b/examples/subsample.py
@@ -21,7 +21,7 @@
 import numpy as np
 
 from data_prototype.wrappers import ImageWrapper
-from data_prototype.containers import _Transform
+from data_prototype.containers import _Transform, Desc
 
 from skimage.transform import downscale_local_mean