diff --git a/pyoozie/tags.py b/pyoozie/tags.py
index f4bf46b..b160a0e 100644
--- a/pyoozie/tags.py
+++ b/pyoozie/tags.py
@@ -496,7 +496,7 @@ def _xml(self, doc, tag, text):
         return doc
 
 
-class _AbstractWorkflowEntity(typing.Iterable):
+class _AbstractWorkflowEntity(collections.Iterable):
     """An abstract object representing an Oozie workflow action that can be serialized to XML."""
     # pylint: disable=abstract-method