diff --git a/Lib/test/test_minidom.py b/Lib/test/test_minidom.py
index 32bf385..ee105c2 100644
--- a/Lib/test/test_minidom.py
+++ b/Lib/test/test_minidom.py
@@ -1,6 +1,7 @@
 # test for xml.dom.minidom
 
 from xml.dom.minidom import parse, Node, Document, parseString
+from xml.dom import HierarchyRequestErr
 import xml.parsers.expat
 
 import os.path