diff --git a/IPython/html/widgets/tests/test_traits.py b/IPython/html/widgets/tests/test_traits.py
index c25960a34..bb7494971 100644
--- a/IPython/html/widgets/tests/test_traits.py
+++ b/IPython/html/widgets/tests/test_traits.py
@@ -5,7 +5,7 @@
 
 from unittest import TestCase
 from IPython.utils.traitlets import HasTraits
-from IPython.utils.tests.test_traitlets import TraitTestBase
+from traitlets.tests.test_traitlets import TraitTestBase
 from IPython.html.widgets import Color