style(): reformatted files

src/backend/apps/decision/services.py

@@ -201,9 +201,7 @@ def _decision_payload(result: dict, subject_id: str) -> dict:
         "subject_id": subject_id,
         "experiment_id": result.get("experiment_id"),
         "variant_id": result.get("variant_id"),
-        "value": str(result["value"])
-        if result["value"] is not None
-        else "",
+        "value": str(result["value"]) if result["value"] is not None else "",
         "reason": result["reason"],
     }
 

src/backend/apps/decision/tests/test_decide.py

@@ -469,11 +469,12 @@ class DecisionPersistenceModeTest(TestCase):
 
     @override_settings(DECISION_WRITE_MODE="async")
     def test_async_mode_enqueues_non_assigned_result(self) -> None:
-        with patch(
-            "apps.decision.services.persist_decision_task.delay"
-        ) as delay_mock, patch(
-            "apps.decision.services.decision_create"
-        ) as create_mock:
+        with (
+            patch(
+                "apps.decision.services.persist_decision_task.delay"
+            ) as delay_mock,
+            patch("apps.decision.services.decision_create") as create_mock,
+        ):
             result = decide_for_flag(self.flag.key, "subj_async", {})
         self.assertEqual(result["reason"], "no_active_experiment")
         delay_mock.assert_called_once()
@@ -482,11 +483,12 @@ class DecisionPersistenceModeTest(TestCase):
     @override_settings(DECISION_WRITE_MODE="async")
     def test_async_mode_keeps_assigned_result_sync(self) -> None:
         self._make_running_experiment()
-        with patch(
-            "apps.decision.services.persist_decision_task.delay"
-        ) as delay_mock, patch(
-            "apps.decision.services.decision_create"
-        ) as create_mock:
+        with (
+            patch(
+                "apps.decision.services.persist_decision_task.delay"
+            ) as delay_mock,
+            patch("apps.decision.services.decision_create") as create_mock,
+        ):
             result = decide_for_flag(
                 self.flag.key,
                 "subj_async_assigned",