diff --git a/src/govoplan_core/core/feeds.py b/src/govoplan_core/core/feeds.py
index 4b793b4..4031c31 100644
--- a/src/govoplan_core/core/feeds.py
+++ b/src/govoplan_core/core/feeds.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from collections.abc import Mapping, Sequence
+from collections.abc import Mapping
 from dataclasses import dataclass, field
 from datetime import datetime
 from typing import Literal, Protocol, runtime_checkable
diff --git a/tests/test_datasource_contract.py b/tests/test_datasource_contract.py
index 05c92bc..d15ccef 100644
--- a/tests/test_datasource_contract.py
+++ b/tests/test_datasource_contract.py
@@ -95,6 +95,17 @@ class _Provider:
         del session, principal, datasource_ref
         return self.promote_stage(object(), object(), stage_ref="stage:1")
 
+    def update_datasource_governance(
+        self,
+        session,
+        principal,
+        *,
+        datasource_ref,
+        governance,
+    ):
+        del session, principal, datasource_ref, governance
+        return self.descriptor
+
     def freeze_datasource(self, session, principal, *, datasource_ref, label=None):
         del session, principal, datasource_ref, label
         return self.promote_stage(object(), object(), stage_ref="stage:1")[1]
diff --git a/tests/test_wheel_runtime.py b/tests/test_wheel_runtime.py
index 79d2b35..1107c4e 100644
--- a/tests/test_wheel_runtime.py
+++ b/tests/test_wheel_runtime.py
@@ -69,7 +69,7 @@ class WheelRuntimeTests(unittest.TestCase):
             self.assertNotEqual(repository_root, runtime_root)
             self.assertTrue((runtime_root / "alembic.ini").is_file())
             self.assertTrue((runtime_root / "alembic" / "env.py").is_file())
-            self.assertEqual(["d03a7b9c1e5f"], result["heads"])
+            self.assertEqual(["e14b8c2d6f90"], result["heads"])
             self.assertIn("core_scopes", result["tables"])
             self.assertIn("core_system_settings", result["tables"])