Refs #33476 -- Reformatted code with Black.

1 files changed, 2 insertions, 3 deletions

diff --git a/tests/custom_pk/fields.py b/tests/custom_pk/fields.py
index bc7259300b..2d70c6b6dc 100644
--- a/tests/custom_pk/fields.py
+++ b/tests/custom_pk/fields.py
@@ -21,15 +21,14 @@ class MyWrapper:
 
 
 class MyWrapperField(models.CharField):
-
     def __init__(self, *args, **kwargs):
-        kwargs['max_length'] = 10
+        kwargs["max_length"] = 10
         super().__init__(*args, **kwargs)
 
     def pre_save(self, instance, add):
         value = getattr(instance, self.attname, None)
         if not value:
-            value = MyWrapper(''.join(random.sample(string.ascii_lowercase, 10)))
+            value = MyWrapper("".join(random.sample(string.ascii_lowercase, 10)))
             setattr(instance, self.attname, value)
         return value