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"])
+        "value": str(result["value"]) if result["value"] is not None else "",
-        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(
+        with (
-            "apps.decision.services.persist_decision_task.delay"
+            patch(
-        ) as delay_mock, patch(
+                "apps.decision.services.persist_decision_task.delay"
-            "apps.decision.services.decision_create"
+            ) as delay_mock,
-        ) as create_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(
+        with (
-            "apps.decision.services.persist_decision_task.delay"
+            patch(
-        ) as delay_mock, patch(
+                "apps.decision.services.persist_decision_task.delay"
-            "apps.decision.services.decision_create"
+            ) as delay_mock,
-        ) as create_mock:
+            patch("apps.decision.services.decision_create") as create_mock,
+        ):
             result = decide_for_flag(
                 self.flag.key,
                 "subj_async_assigned",

src/backend/apps/reports/services.py

@@ -30,8 +30,7 @@ from apps.metrics.models import (
 class PercentileCont(Aggregate):
     function = "PERCENTILE_CONT"
     template = (
-        "%(function)s(%(percentile)s) "
+        "%(function)s(%(percentile)s) WITHIN GROUP (ORDER BY %(expressions)s)"
-        "WITHIN GROUP (ORDER BY %(expressions)s)"
     )
     allow_distinct = False
     output_field = FloatField()
@@ -92,9 +91,7 @@ def _numeric_property_expression(property_field: str):
         pattern = r"^-?(?:\d+(?:\.\d+)?|\.\d+)$"
         return Case(
             When(
-                **{
+                **{f"properties__{property_field}__regex": pattern},
-                    f"properties__{property_field}__regex": pattern
-                },
                 then=Cast(key_text, FloatField()),
             ),
             default=Value(None),
@@ -150,14 +147,18 @@ def _percentile_property(
     start_date: datetime | None = None,
     end_date: datetime | None = None,
 ) -> Decimal | None:
-    qs = _events_queryset(
+    qs = (
-        exposure_qs=exposure_qs,
+        _events_queryset(
-        event_type_name=event_type_name,
+            exposure_qs=exposure_qs,
-        start_date=start_date,
+            event_type_name=event_type_name,
-        end_date=end_date,
+            start_date=start_date,
-    ).annotate(
+            end_date=end_date,
-        numeric_value=_numeric_property_expression(property_field),
+        )
-    ).exclude(numeric_value__isnull=True)
+        .annotate(
+            numeric_value=_numeric_property_expression(property_field),
+        )
+        .exclude(numeric_value__isnull=True)
+    )
     if connection.vendor == "postgresql":
         value = qs.aggregate(
             value=PercentileCont(