Apply ruff formatting to postgres adapter and tests.

Co-authored-by: Cursor <[email protected]>

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:

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