diff --git a/tests/test_utilities.py b/tests/test_utilities.py
index 193edf1..c48af8f 100644
--- a/tests/test_utilities.py
+++ b/tests/test_utilities.py
@@ -20,8 +20,7 @@ def class_method(self):
             return self
 
         def class_method_oneline(self):
-            """One line docstring.
-            """
+            """One line docstring."""
             return self
 
         def class_method_no_docstring(self):