diff --git a/grain/python/experimental.py b/grain/python/experimental.py
index c213ae4d3..0da068eca 100644
--- a/grain/python/experimental.py
+++ b/grain/python/experimental.py
@@ -43,6 +43,7 @@
 from grain._src.python.dataset.transformations.map import RngPool
 from grain._src.python.dataset.transformations.mix import ConcatenateMapDataset
 from grain._src.python.dataset.transformations.packing import FirstFitPackIterDataset
+from grain._src.python.dataset.transformations.packing import PackingDatasetIterator
 from grain._src.python.dataset.transformations.packing_concat_then_split import (
     BOSHandling,
     ConcatThenSplitIterDataset,