diff --git a/python_repositories/adapters/postgres_adapter.py b/python_repositories/adapters/postgres_adapter.py
index 1ba00f8..1098a91 100644
--- a/python_repositories/adapters/postgres_adapter.py
+++ b/python_repositories/adapters/postgres_adapter.py
@@ -94,9 +94,7 @@ class PostgresAdapter(ConnectionAwareAdapter, TableRepositoryInterface):
             cursor.execute("SELECT 1")
             try:
                 cursor.execute(
-                    sql.SQL("SELECT 1 FROM {} LIMIT 0").format(
-                        self._table_identifier()
-                    )
+                    sql.SQL("SELECT 1 FROM {} LIMIT 0").format(self._table_identifier())
                 )
             except UndefinedTable as exc:
                 raise ConnectionError(
@@ -189,9 +187,7 @@ class PostgresAdapter(ConnectionAwareAdapter, TableRepositoryInterface):
             on_conflict = sql.SQL("DO UPDATE SET {}").format(update_assignments)
         else:
             on_conflict = sql.SQL("DO NOTHING")
-        query = sql.SQL(
-            "INSERT INTO {} ({}) VALUES ({}) ON CONFLICT ({}) {}"
-        ).format(
+        query = sql.SQL("INSERT INTO {} ({}) VALUES ({}) ON CONFLICT ({}) {}").format(
             self._table_identifier(),
             column_list,
             placeholders,
diff --git a/tests/unit/adapters_test.py b/tests/unit/adapters_test.py
index fcdce76..164c8fe 100644
--- a/tests/unit/adapters_test.py
+++ b/tests/unit/adapters_test.py
@@ -149,7 +149,9 @@ def test_adapters_dir_exposes_lazy_exports() -> None:
     """dir(adapters) includes lazy adapter names for tab completion."""
     import python_repositories.adapters as adapters
 
-    assert {"RedisAdapter", "MinioAdapter", "PostgresAdapter"}.issubset(set(dir(adapters)))
+    assert {"RedisAdapter", "MinioAdapter", "PostgresAdapter"}.issubset(
+        set(dir(adapters))
+    )
 
 
 def test_adapters_getattr_raises_for_unknown() -> None:
diff --git a/tests/unit/postgres_adapter_test.py b/tests/unit/postgres_adapter_test.py
index f7cf29a..d28ccd5 100644
--- a/tests/unit/postgres_adapter_test.py
+++ b/tests/unit/postgres_adapter_test.py
@@ -125,7 +125,9 @@ def test_connect_with_injected_client_skips_validation_when_client_cleared() ->
 def test_connect_reconnects_when_existing_client_unhealthy(
     monkeypatch: pytest.MonkeyPatch,
 ) -> None:
-    stale_client = _mock_client(probe_raises=psycopg.OperationalError("connection lost"))
+    stale_client = _mock_client(
+        probe_raises=psycopg.OperationalError("connection lost")
+    )
     new_client = _mock_client()
     adapter = PostgresAdapter(config=TEST_POSTGRES_CONFIG)
     adapter._client = stale_client