diff --git a/apps/api/tests/test_governance_dispatcher.py b/apps/api/tests/test_governance_dispatcher.py
index 174f41ddf..96f3bce72 100644
--- a/apps/api/tests/test_governance_dispatcher.py
+++ b/apps/api/tests/test_governance_dispatcher.py
@@ -15,7 +15,7 @@ Unit Tests — GovernanceDispatcher (Wave 2E)
 
 from __future__ import annotations
 
-from datetime import datetime, timezone, timedelta
+from datetime import datetime, timedelta, timezone
 from unittest.mock import AsyncMock, MagicMock, patch
 
 import pytest
@@ -371,7 +371,9 @@ class TestDispatchGovernanceEvent:
         event = _make_governance_event()
         decision = _make_fused_decision(confidence=0.90)
 
-        from src.repositories.governance_remediation_dispatch_repo import DispatchAlreadyActive
+        from src.repositories.governance_remediation_dispatch_repo import (
+            DispatchAlreadyActive,
+        )
 
         with (
             patch(
@@ -552,6 +554,7 @@ class TestRunGovernanceDispatcherLoop:
     def test_poll_unresolved_events_excludes_active_dispatch_rows(self):
         """poll SQL 必須跳過已有 active dispatch 的事件，避免 backlog 餓死。"""
         import inspect
+
         from src.services import governance_dispatcher
 
         source = inspect.getsource(governance_dispatcher._poll_unresolved_events)
@@ -585,7 +588,10 @@ class TestRunGovernanceDispatcherLoop:
             patch("asyncio.sleep", side_effect=mock_sleep),
         ):
             import asyncio
-            from src.services.governance_dispatcher import run_governance_dispatcher_loop
+
+            from src.services.governance_dispatcher import (
+                run_governance_dispatcher_loop,
+            )
 
             with pytest.raises(asyncio.CancelledError):
                 await run_governance_dispatcher_loop(interval_seconds=1)
@@ -612,7 +618,10 @@ class TestRunGovernanceDispatcherLoop:
             patch("asyncio.sleep", side_effect=mock_sleep),
         ):
             import asyncio
-            from src.services.governance_dispatcher import run_governance_dispatcher_loop
+
+            from src.services.governance_dispatcher import (
+                run_governance_dispatcher_loop,
+            )
 
             with pytest.raises(asyncio.CancelledError):
                 await run_governance_dispatcher_loop(interval_seconds=1)