1 files changed, 25 insertions, 12 deletions
diff --git a/tests/postgres_tests/test_bulk_update.py b/tests/postgres_tests/test_bulk_update.py
index da5aee0f70..f0b473efa7 100644
--- a/tests/postgres_tests/test_bulk_update.py
+++ b/tests/postgres_tests/test_bulk_update.py
@@ -2,8 +2,12 @@ from datetime import date
 
 from . import PostgreSQLTestCase
 from .models import (
-    HStoreModel, IntegerArrayModel, NestedIntegerArrayModel,
-    NullableIntegerArrayModel, OtherTypesArrayModel, RangesModel,
+    HStoreModel,
+    IntegerArrayModel,
+    NestedIntegerArrayModel,
+    NullableIntegerArrayModel,
+    OtherTypesArrayModel,
+    RangesModel,
 )
 
 try:
@@ -15,19 +19,28 @@ except ImportError:
 class BulkSaveTests(PostgreSQLTestCase):
     def test_bulk_update(self):
         test_data = [
-            (IntegerArrayModel, 'field', [], [1, 2, 3]),
-            (NullableIntegerArrayModel, 'field', [1, 2, 3], None),
-            (NestedIntegerArrayModel, 'field', [], [[1, 2, 3]]),
-            (HStoreModel, 'field', {}, {1: 2}),
-            (RangesModel, 'ints', None, NumericRange(lower=1, upper=10)),
-            (RangesModel, 'dates', None, DateRange(lower=date.today(), upper=date.today())),
-            (OtherTypesArrayModel, 'ips', [], ['1.2.3.4']),
-            (OtherTypesArrayModel, 'json', [], [{'a': 'b'}])
+            (IntegerArrayModel, "field", [], [1, 2, 3]),
+            (NullableIntegerArrayModel, "field", [1, 2, 3], None),
+            (NestedIntegerArrayModel, "field", [], [[1, 2, 3]]),
+            (HStoreModel, "field", {}, {1: 2}),
+            (RangesModel, "ints", None, NumericRange(lower=1, upper=10)),
+            (
+                RangesModel,
+                "dates",
+                None,
+                DateRange(lower=date.today(), upper=date.today()),
+            ),
+            (OtherTypesArrayModel, "ips", [], ["1.2.3.4"]),
+            (OtherTypesArrayModel, "json", [], [{"a": "b"}]),
         ]
         for Model, field, initial, new in test_data:
             with self.subTest(model=Model, field=field):
-                instances = Model.objects.bulk_create(Model(**{field: initial}) for _ in range(20))
+                instances = Model.objects.bulk_create(
+                    Model(**{field: initial}) for _ in range(20)
+                )
                 for instance in instances:
                     setattr(instance, field, new)
                 Model.objects.bulk_update(instances, [field])
-                self.assertSequenceEqual(Model.objects.filter(**{field: new}), instances)
+                self.assertSequenceEqual(
+                    Model.objects.filter(**{field: new}), instances
+                )