diff --git a/IPython/config/tests/test_loader.py b/IPython/config/tests/test_loader.py
index 6373d37..a5bd34a 100755
--- a/IPython/config/tests/test_loader.py
+++ b/IPython/config/tests/test_loader.py
@@ -48,7 +48,7 @@ c = get_config()
 c.a=10
 c.b=20
 c.Foo.Bar.value=10
-c.Foo.Bam.value=range(10)
+c.Foo.Bam.value=list(range(10))  # list() is just so it's the same on Python 3
 c.D.C.value='hi there'
 """