diff --git a/pandas/tests/indexes/timedeltas/test_constructors.py b/pandas/tests/indexes/timedeltas/test_constructors.py
index 623b0d80a73dc..3e5bb56c3e58e 100644
--- a/pandas/tests/indexes/timedeltas/test_constructors.py
+++ b/pandas/tests/indexes/timedeltas/test_constructors.py
@@ -169,8 +169,8 @@ def test_constructor_coverage(self):
             timedelta_range(start="1 days", periods="foo", freq="D")
 
         msg = (
-            r"TimedeltaIndex\(\) must be called with a collection of some kind,"
-            " '1 days' was passed"
+            r"TimedeltaIndex\(\) must be called with a collection of some kind, "
+            "'1 days' was passed"
         )
         with pytest.raises(TypeError, match=msg):
             TimedeltaIndex("1 days")