Format Python source and tests

tests/test_examples.py

@@ -83,14 +83,14 @@ def test_example(app_ctx, mocker, i: int, lat: float, lon: float, name: str) ->
     expected_cat = fixture["expected_commons_cat"]
     if expected_cat:
         commons = result.get("commons_cat")
-        assert isinstance(commons, dict), (
-            f"{name}: expected commons_cat={expected_cat!r} but result has none"
-        )
+        assert isinstance(
+            commons, dict
+        ), f"{name}: expected commons_cat={expected_cat!r} but result has none"
         assert commons["title"] == expected_cat, (
             f"{name}: commons_cat mismatch — expected {expected_cat!r}, "
             f"got {commons['title']!r}"
         )
     else:
-        assert not result.get("commons_cat"), (
-            f"{name}: expected no commons_cat but got {result.get('commons_cat')!r}"
-        )
+        assert not result.get(
+            "commons_cat"
+        ), f"{name}: expected no commons_cat but got {result.get('commons_cat')!r}"