Refs #33476 -- Reformatted code with Black.

1 files changed, 11 insertions, 8 deletions

diff --git a/django/db/models/fields/mixins.py b/django/db/models/fields/mixins.py
index 3afa8d9304..e7f282210e 100644
--- a/django/db/models/fields/mixins.py
+++ b/django/db/models/fields/mixins.py
@@ -29,22 +29,25 @@ class FieldCacheMixin:
 
 
 class CheckFieldDefaultMixin:
-    _default_hint = ('<valid default>', '<invalid default>')
+    _default_hint = ("<valid default>", "<invalid default>")
 
     def _check_default(self):
-        if self.has_default() and self.default is not None and not callable(self.default):
+        if (
+            self.has_default()
+            and self.default is not None
+            and not callable(self.default)
+        ):
             return [
                 checks.Warning(
                     "%s default should be a callable instead of an instance "
-                    "so that it's not shared between all field instances." % (
-                        self.__class__.__name__,
-                    ),
+                    "so that it's not shared between all field instances."
+                    % (self.__class__.__name__,),
                     hint=(
-                        'Use a callable instead, e.g., use `%s` instead of '
-                        '`%s`.' % self._default_hint
+                        "Use a callable instead, e.g., use `%s` instead of "
+                        "`%s`." % self._default_hint
                     ),
                     obj=self,
-                    id='fields.E010',
+                    id="fields.E010",
                 )
             ]
         else: