diff --git a/tests/test_slots.py b/tests/test_slots.py
index f38c615cc..bd9d77ba4 100644
--- a/tests/test_slots.py
+++ b/tests/test_slots.py
@@ -904,8 +904,7 @@ def f(self):
 
 
 def test_slots_cached_properties_work_independently():
-    """
-    """
+    """ """
 
     @attr.s(slots=True)
     class A:
@@ -919,7 +918,6 @@ def f_1(self):
         def f_2(self):
             return self.x * 2
 
-
     obj = A(1)
 
     assert obj.f_1 == 1