diff --git a/auditlog/admin.py b/auditlog/admin.py
index 079f315..92b9dcb 100644
--- a/auditlog/admin.py
+++ b/auditlog/admin.py
@@ -29,9 +29,19 @@ class LogEntryAdmin(admin.ModelAdmin, LogEntryAdminMixin):
         f"actor__{get_user_model().USERNAME_FIELD}",
     ]
     list_filter = ["action", ResourceTypeFilter, CIDFilter]
-    readonly_fields = ["created", "resource_url", "action", "user_url", "msg", "custom_data"]
+    readonly_fields = [
+        "created",
+        "resource_url",
+        "action",
+        "user_url",
+        "msg",
+        "custom_data",
+    ]
     fieldsets = [
-        (None, {"fields": ["created", "user_url", "resource_url", "custom_data", "cid"]}),
+        (
+            None,
+            {"fields": ["created", "user_url", "resource_url", "custom_data", "cid"]},
+        ),
         (_("Changes"), {"fields": ["action", "msg"]}),
     ]
 
diff --git a/auditlog/context.py b/auditlog/context.py
index 709fda9..af47936 100644
--- a/auditlog/context.py
+++ b/auditlog/context.py
@@ -28,8 +28,8 @@ def _set_logger_data(actor, kwargs, remote_addr):
         context_data = auditlog_value.get()
     except LookupError:
         context_data = {}
-    actor = actor or context_data.get('actor')
-    custom_data = context_data.get('custom_data', {})
+    actor = actor or context_data.get("actor")
+    custom_data = context_data.get("custom_data", {})
     custom_data.update(kwargs)
     """Connect a signal receiver with current user attached."""
     context_data = {
@@ -38,7 +38,7 @@ def _set_logger_data(actor, kwargs, remote_addr):
         "custom_data": custom_data,
     }
     if actor:
-        context_data['actor'] = actor
+        context_data["actor"] = actor
     token = auditlog_value.set(context_data)
     # Connect signal for automatic logging
     set_auditlog_custom_data = partial(
diff --git a/auditlog/migrations/0016_add_actor_email.py b/auditlog/migrations/0016_add_actor_email.py
index 98e0582..176e376 100644
--- a/auditlog/migrations/0016_add_actor_email.py
+++ b/auditlog/migrations/0016_add_actor_email.py
@@ -11,7 +11,10 @@ class Migration(migrations.Migration):
             model_name="logentry",
             name="actor_email",
             field=models.CharField(
-                null=True, verbose_name="actor email", blank=True, max_length=254,
+                null=True,
+                verbose_name="actor email",
+                blank=True,
+                max_length=254,
             ),
         ),
     ]
diff --git a/auditlog/migrations/0017_add_custom_data.py b/auditlog/migrations/0017_add_custom_data.py
index 1895c24..13af0e6 100644
--- a/auditlog/migrations/0017_add_custom_data.py
+++ b/auditlog/migrations/0017_add_custom_data.py
@@ -11,7 +11,9 @@ class Migration(migrations.Migration):
             model_name="logentry",
             name="custom_data",
             field=models.JSONField(
-                null=True, verbose_name="custom data", blank=True,
+                null=True,
+                verbose_name="custom data",
+                blank=True,
             ),
         ),
     ]
diff --git a/auditlog/models.py b/auditlog/models.py
index 6aa1c72..01edd87 100644
--- a/auditlog/models.py
+++ b/auditlog/models.py
@@ -382,7 +382,6 @@ class LogEntry(models.Model):
 
     objects = LogEntryManager()
 
-
     class Meta:
         get_latest_by = "timestamp"
         ordering = ["-timestamp"]
diff --git a/auditlog_tests/test_two_step_json_migration.py b/auditlog_tests/test_two_step_json_migration.py
index afc1877..a93caf5 100644
--- a/auditlog_tests/test_two_step_json_migration.py
+++ b/auditlog_tests/test_two_step_json_migration.py
@@ -53,11 +53,14 @@ class AuditlogMigrateJsonTest(TestCase):
 
     @staticmethod
     def _remove_formatters(outbuf):
-        return (outbuf.getvalue().strip()
-                .replace('\x1b[0m', '')
-                .replace('\x1b[32;1m', '')
-                .replace('\x1b[33;1m', '')
-                .replace('\x1b[31;1m', ''))
+        return (
+            outbuf.getvalue()
+            .strip()
+            .replace("\x1b[0m", "")
+            .replace("\x1b[32;1m", "")
+            .replace("\x1b[33;1m", "")
+            .replace("\x1b[31;1m", "")
+        )
 
     def test_nothing_to_migrate(self):
         outbuf, errbuf = self.call_command()
diff --git a/auditlog_tests/tests.py b/auditlog_tests/tests.py
index b8bb672..9ef8281 100644
--- a/auditlog_tests/tests.py
+++ b/auditlog_tests/tests.py
@@ -604,7 +604,7 @@ class MiddlewareTest(TestCase):
 
             history = obj.history.get()
             self.assertEqual(history.actor_email, self.user.email)
-            self.assertEqual(history.custom_data, {'custom_data': {'foo': 'bar'}})
+            self.assertEqual(history.custom_data, {"custom_data": {"foo": "bar"}})
 
     def test_get_actor(self):
         params = [