diff --git a/tests/test_1229_const_in_typename.py b/tests/test_1229_const_in_typename.py
index 304f5ffeb..00e761446 100644
--- a/tests/test_1229_const_in_typename.py
+++ b/tests/test_1229_const_in_typename.py
@@ -18,5 +18,5 @@ def tree(datafile):
 
 
 def test_const_in_typename(tree):
-    assert tree["branch/pointer"].typename == 'TFooMember*'
-    assert tree["branch/const_pointer"].typename == 'TFooMember*'
+    assert tree["branch/pointer"].typename == "TFooMember*"
+    assert tree["branch/const_pointer"].typename == "TFooMember*"