diff --git a/.ruff.toml b/.ruff.toml
index a4bafb967..4977df4a2 100644
--- a/.ruff.toml
+++ b/.ruff.toml
@@ -22,6 +22,7 @@ ignore = [
     'D401',
     'F501',
     'PTH123',
+    'SIM103',
 ]
 
 [lint.per-file-ignores]
diff --git a/betty/tests/extension/cotton_candy/test_search.py b/betty/tests/extension/cotton_candy/test_search.py
index 623276da5..7fdb5c8ba 100644
--- a/betty/tests/extension/cotton_candy/test_search.py
+++ b/betty/tests/extension/cotton_candy/test_search.py
@@ -28,7 +28,7 @@ async def test_build_empty(self, new_temporary_app: App) -> None:
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
 
     async def test_build_person_without_names(self, new_temporary_app: App) -> None:
         person_id = "P1"
@@ -50,7 +50,7 @@ async def test_build_person_without_names(self, new_temporary_app: App) -> None:
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
 
     async def test_build_private_person(self, new_temporary_app: App) -> None:
         person_id = "P1"
@@ -80,7 +80,7 @@ async def test_build_private_person(self, new_temporary_app: App) -> None:
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
 
     @pytest.mark.parametrize(
         ("expected", "locale"),
@@ -270,7 +270,7 @@ async def test_build_private_place(self, new_temporary_app: App) -> None:
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
 
     async def test_build_file_without_description(self, new_temporary_app: App) -> None:
         file_id = "F1"
@@ -295,7 +295,7 @@ async def test_build_file_without_description(self, new_temporary_app: App) -> N
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
 
     @pytest.mark.parametrize(
         ("expected", "locale"),
@@ -354,4 +354,4 @@ async def test_build_private_file(self, new_temporary_app: App) -> None:
                 async for item in Index(project, Context(), DEFAULT_LOCALIZER).build()
             ]
 
-            assert [] == indexed
+            assert indexed == []
diff --git a/betty/tests/extension/gramps/test_gui.py b/betty/tests/extension/gramps/test_gui.py
index 2ad94109c..f03bb5c1b 100644
--- a/betty/tests/extension/gramps/test_gui.py
+++ b/betty/tests/extension/gramps/test_gui.py
@@ -97,4 +97,4 @@ async def test_remove_family_tree(
         betty_qtbot.mouse_click(widget._family_trees._family_trees_remove_buttons[0])
 
         assert len(sut.configuration.family_trees) == 0
-        assert [] == widget._family_trees._family_trees_remove_buttons
+        assert widget._family_trees._family_trees_remove_buttons == []
diff --git a/betty/tests/model/test___init__.py b/betty/tests/model/test___init__.py
index 3dcb80e8c..1dd7d500c 100644
--- a/betty/tests/model/test___init__.py
+++ b/betty/tests/model/test___init__.py
@@ -231,7 +231,7 @@ async def test_clear(self) -> None:
         entity3 = SingleTypeEntityCollectionTestEntity()
         sut.add(entity1, entity2, entity3)
         sut.clear()
-        assert [] == list(sut)
+        assert list(sut) == []
 
     async def test_list(self) -> None:
         sut = SingleTypeEntityCollection[Entity](Entity)
@@ -423,7 +423,7 @@ async def test_remove(self) -> None:
         sut.remove(entity_one)
         assert [entity_other] == list(sut)
         sut.remove(entity_other)
-        assert [] == list(sut)
+        assert list(sut) == []
 
     async def test_getitem_by_index(self) -> None:
         sut = MultipleTypesEntityCollection[Entity]()
@@ -451,7 +451,7 @@ async def test_getitem_by_entity_type(self) -> None:
         assert [entity_one] == list(sut[MultipleTypesEntityCollectionTestEntityOne])
         assert [entity_other] == list(sut[MultipleTypesEntityCollectionTestEntityOther])
         # Ensure that getting previously unseen entity types automatically creates and returns a new collection.
-        assert [] == list(sut[Entity])
+        assert list(sut[Entity]) == []
 
     async def test_getitem_by_entity_type_name(self) -> None:
         sut = MultipleTypesEntityCollection[Entity]()
@@ -1151,7 +1151,7 @@ async def test(self) -> None:
 
         del entity_many.one
         assert entity_many.one is None
-        assert [] == list(entity_one.many)  # type: ignore[unreachable]
+        assert list(entity_one.many) == []  # type: ignore[unreachable]
 
 
 @to_many(
@@ -1182,7 +1182,7 @@ async def test(self) -> None:
         assert [entity_many] == list(entity_one.many)
 
         entity_one.many.remove(entity_many)
-        assert [] == list(entity_one.many)
+        assert list(entity_one.many) == []
 
 
 @one_to_many(
@@ -1220,7 +1220,7 @@ async def test(self) -> None:
         assert entity_one is entity_many.one
 
         entity_one.many.remove(entity_many)
-        assert [] == list(entity_one.many)
+        assert list(entity_one.many) == []
         assert entity_many.one is None
 
 
@@ -1259,8 +1259,8 @@ async def test(self) -> None:
         assert [entity_many] == list(entity_other_many.many)
 
         entity_many.other_many.remove(entity_other_many)
-        assert [] == list(entity_many.other_many)
-        assert [] == list(entity_other_many.many)
+        assert list(entity_many.other_many) == []
+        assert list(entity_other_many.many) == []
 
 
 @many_to_one_to_many(
diff --git a/betty/tests/model/test_ancestry.py b/betty/tests/model/test_ancestry.py
index 02e6c9735..f433999e2 100644
--- a/betty/tests/model/test_ancestry.py
+++ b/betty/tests/model/test_ancestry.py
@@ -311,7 +311,7 @@ class HasNotesTestEntity(HasNotes, Entity):
 class TestHasNotes:
     async def test_notes(self) -> None:
         sut = HasNotesTestEntity()
-        assert [] == list(sut.notes)
+        assert list(sut.notes) == []
 
 
 class TestDescribed:
@@ -401,7 +401,7 @@ class _HasLinks(HasLinks):
             pass
 
         sut = _HasLinks()
-        assert [] == sut.links
+        assert sut.links == []
 
 
 class _HasFiles(HasFiles, Entity):
@@ -487,7 +487,7 @@ async def test_notes(self) -> None:
             id=file_id,
             path=file_path,
         )
-        assert [] == list(sut.notes)
+        assert list(sut.notes) == []
         notes = [Note(text=""), Note(text="")]
         sut.notes = notes  # type: ignore[assignment]
         assert notes == list(sut.notes)
@@ -499,7 +499,7 @@ async def test_entities(self) -> None:
             id=file_id,
             path=file_path,
         )
-        assert [] == list(sut.entities)
+        assert list(sut.entities) == []
 
         entities = [_HasFiles(), _HasFiles()]
         sut.entities = entities  # type: ignore[assignment]
@@ -512,7 +512,7 @@ async def test_citations(self) -> None:
             id=file_id,
             path=file_path,
         )
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
 
     async def test_dump_linked_data_should_dump_minimal(self) -> None:
         with NamedTemporaryFile() as f:
@@ -672,7 +672,7 @@ async def test_dump_linked_data_should_dump_private(self) -> None:
 class TestHasFiles:
     async def test_files(self) -> None:
         sut = _HasFiles()
-        assert [] == list(sut.files)
+        assert list(sut.files) == []
         files = [File(path=Path()), File(path=Path())]
         sut.files = files  # type: ignore[assignment]
         assert files == list(sut.files)
@@ -699,13 +699,13 @@ async def test_contained_by(self) -> None:
     async def test_contains(self) -> None:
         contains_source = Source()
         sut = Source()
-        assert [] == list(sut.contains)
+        assert list(sut.contains) == []
         sut.contains = [contains_source]  # type: ignore[assignment]
         assert [contains_source] == list(sut.contains)
 
     async def test_walk_contains_without_contains(self) -> None:
         sut = Source()
-        assert [] == list(sut.walk_contains)
+        assert list(sut.walk_contains) == []
 
     async def test_walk_contains_with_contains(self) -> None:
         sut = Source()
@@ -715,7 +715,7 @@ async def test_walk_contains_with_contains(self) -> None:
 
     async def test_citations(self) -> None:
         sut = Source()
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
 
     async def test_author(self) -> None:
         sut = Source()
@@ -737,11 +737,11 @@ async def test_date(self) -> None:
 
     async def test_files(self) -> None:
         sut = Source()
-        assert [] == list(sut.files)
+        assert list(sut.files) == []
 
     async def test_links(self) -> None:
         sut = Source()
-        assert [] == list(sut.links)
+        assert list(sut.links) == []
 
     async def test_private(self) -> None:
         sut = Source()
@@ -976,7 +976,7 @@ async def test_id(self) -> None:
     async def test_facts(self) -> None:
         fact = _HasCitations()
         sut = Citation(source=Source())
-        assert [] == list(sut.facts)
+        assert list(sut.facts) == []
         sut.facts = [fact]  # type: ignore[assignment]
         assert [fact] == list(sut.facts)
 
@@ -998,7 +998,7 @@ async def test_date(self) -> None:
 
     async def test_files(self) -> None:
         sut = Citation(source=Source())
-        assert [] == list(sut.files)
+        assert list(sut.files) == []
 
     async def test_private(self) -> None:
         sut = Citation(source=Source())
@@ -1131,7 +1131,7 @@ async def test_dump_linked_data_should_dump_private(self) -> None:
 class TestHasCitations:
     async def test_citations(self) -> None:
         sut = _HasCitations()
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
         citation = Citation(source=Source())
         sut.citations = [citation]  # type: ignore[assignment]
         assert [citation] == list(sut.citations)
@@ -1250,7 +1250,7 @@ async def test_events(self) -> None:
         assert event in sut.events
         assert sut == event.place
         sut.events.remove(event)
-        assert [] == list(sut.events)
+        assert list(sut.events) == []
         assert event.place is None
 
     async def test_enclosed_by(self) -> None:
@@ -1258,7 +1258,7 @@ async def test_enclosed_by(self) -> None:
             id="P1",
             names=[PlaceName(name="The Place")],
         )
-        assert [] == list(sut.enclosed_by)
+        assert list(sut.enclosed_by) == []
         enclosing_place = Place(
             id="P2",
             names=[PlaceName(name="The Other Place")],
@@ -1267,7 +1267,7 @@ async def test_enclosed_by(self) -> None:
         assert enclosure in sut.enclosed_by
         assert sut == enclosure.encloses
         sut.enclosed_by.remove(enclosure)
-        assert [] == list(sut.enclosed_by)
+        assert list(sut.enclosed_by) == []
         assert enclosure.encloses is None
 
     async def test_encloses(self) -> None:
@@ -1275,7 +1275,7 @@ async def test_encloses(self) -> None:
             id="P1",
             names=[PlaceName(name="The Place")],
         )
-        assert [] == list(sut.encloses)
+        assert list(sut.encloses) == []
         enclosed_place = Place(
             id="P2",
             names=[PlaceName(name="The Other Place")],
@@ -1284,7 +1284,7 @@ async def test_encloses(self) -> None:
         assert enclosure in sut.encloses
         assert sut == enclosure.enclosed_by
         sut.encloses.remove(enclosure)
-        assert [] == list(sut.encloses)
+        assert list(sut.encloses) == []
         assert enclosure.enclosed_by is None
 
     async def test_walk_encloses_without_encloses(self) -> None:
@@ -1292,7 +1292,7 @@ async def test_walk_encloses_without_encloses(self) -> None:
             id="P1",
             names=[PlaceName(name="The Place")],
         )
-        assert [] == list(sut.walk_encloses)
+        assert list(sut.walk_encloses) == []
 
     async def test_walk_encloses_with_encloses(self) -> None:
         sut = Place(
@@ -1324,7 +1324,7 @@ async def test_links(self) -> None:
             id="P1",
             names=[PlaceName(name="The Place")],
         )
-        assert [] == list(sut.links)
+        assert list(sut.links) == []
 
     async def test_names(self) -> None:
         name = PlaceName(name="The Place")
@@ -1565,7 +1565,7 @@ async def test_presences(self) -> None:
         assert [presence] == list(sut.presences)
         assert sut == presence.event
         sut.presences.remove(presence)
-        assert [] == list(sut.presences)
+        assert list(sut.presences) == []
         assert presence.event is None
 
     async def test_date(self) -> None:
@@ -1577,11 +1577,11 @@ async def test_date(self) -> None:
 
     async def test_files(self) -> None:
         sut = Event(event_type=UnknownEventType)
-        assert [] == list(sut.files)
+        assert list(sut.files) == []
 
     async def test_citations(self) -> None:
         sut = Event(event_type=UnknownEventType)
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
 
     async def test_description(self) -> None:
         sut = Event(event_type=UnknownEventType)
@@ -1830,7 +1830,7 @@ async def test_citations(self) -> None:
             individual="Janet",
             affiliation="Not a Girl",
         )
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
 
     async def test_individual(self) -> None:
         person = Person(id="1")
@@ -1861,8 +1861,8 @@ async def test_parents(self) -> None:
         assert [parent] == list(sut.parents)
         assert [sut] == list(parent.children)
         sut.parents.remove(parent)
-        assert [] == list(sut.parents)
-        assert [] == list(parent.children)
+        assert list(sut.parents) == []
+        assert list(parent.children) == []
 
     async def test_children(self) -> None:
         sut = Person(id="1")
@@ -1871,8 +1871,8 @@ async def test_children(self) -> None:
         assert [child] == list(sut.children)
         assert [sut] == list(child.parents)
         sut.children.remove(child)
-        assert [] == list(sut.children)
-        assert [] == list(child.parents)
+        assert list(sut.children) == []
+        assert list(child.parents) == []
 
     async def test_presences(self) -> None:
         event = Event(event_type=Birth)
@@ -1882,7 +1882,7 @@ async def test_presences(self) -> None:
         assert [presence] == list(sut.presences)
         assert sut == presence.person
         sut.presences.remove(presence)
-        assert [] == list(sut.presences)
+        assert list(sut.presences) == []
         assert presence.person is None
 
     async def test_names(self) -> None:
@@ -1895,7 +1895,7 @@ async def test_names(self) -> None:
         assert [name] == list(sut.names)
         assert sut == name.person
         sut.names.remove(name)
-        assert [] == list(sut.names)
+        assert list(sut.names) == []
         assert name.person is None
 
     async def test_id(self) -> None:
@@ -1905,15 +1905,15 @@ async def test_id(self) -> None:
 
     async def test_files(self) -> None:
         sut = Person(id="1")
-        assert [] == list(sut.files)
+        assert list(sut.files) == []
 
     async def test_citations(self) -> None:
         sut = Person(id="1")
-        assert [] == list(sut.citations)
+        assert list(sut.citations) == []
 
     async def test_links(self) -> None:
         sut = Person(id="1")
-        assert [] == list(sut.links)
+        assert list(sut.links) == []
 
     async def test_private(self) -> None:
         sut = Person(id="1")
@@ -1921,7 +1921,7 @@ async def test_private(self) -> None:
 
     async def test_siblings_without_parents(self) -> None:
         sut = Person(id="person")
-        assert [] == list(sut.siblings)
+        assert list(sut.siblings) == []
 
     async def test_siblings_with_one_common_parent(self) -> None:
         sut = Person(id="1")
@@ -1939,7 +1939,7 @@ async def test_siblings_with_multiple_common_parents(self) -> None:
 
     async def test_ancestors_without_parents(self) -> None:
         sut = Person(id="person")
-        assert [] == list(sut.ancestors)
+        assert list(sut.ancestors) == []
 
     async def test_ancestors_with_parent(self) -> None:
         sut = Person(id="1")
@@ -1951,7 +1951,7 @@ async def test_ancestors_with_parent(self) -> None:
 
     async def test_descendants_without_parents(self) -> None:
         sut = Person(id="person")
-        assert [] == list(sut.descendants)
+        assert list(sut.descendants) == []
 
     async def test_descendants_with_parent(self) -> None:
         sut = Person(id="1")
diff --git a/betty/tests/project/test___init__.py b/betty/tests/project/test___init__.py
index 645d08044..d3021802a 100644
--- a/betty/tests/project/test___init__.py
+++ b/betty/tests/project/test___init__.py
@@ -1036,9 +1036,9 @@ async def test_dump_should_dump_locale_locale(self) -> None:
         sut.locales.append(locale_configuration)
         sut.locales.remove("en-US")
         dump: Any = sut.dump()
-        assert {
+        assert dump["locales"] == {
             locale: {},
-        } == dump["locales"]
+        }
 
     async def test_dump_should_dump_locale_alias(self) -> None:
         locale = "nl-NL"
@@ -1051,11 +1051,11 @@ async def test_dump_should_dump_locale_alias(self) -> None:
         sut.locales.append(locale_configuration)
         sut.locales.remove("en-US")
         dump: Any = sut.dump()
-        assert {
+        assert dump["locales"] == {
             locale: {
                 "alias": alias,
             },
-        } == dump["locales"]
+        }
 
     async def test_dump_should_dump_root_path(self) -> None:
         root_path = "betty"
diff --git a/betty/tests/project/test_extension.py b/betty/tests/project/test_extension.py
index e329bc520..5ebc4b5f9 100644
--- a/betty/tests/project/test_extension.py
+++ b/betty/tests/project/test_extension.py
@@ -58,7 +58,7 @@ async def test(self, new_temporary_app: App) -> None:
 
 class TestBuildExtensionTypeGraph:
     async def test_without_extension_types(self) -> None:
-        assert {} == build_extension_type_graph(set())
+        assert build_extension_type_graph(set()) == {}
 
     async def test_with_isolated_extension_types(self) -> None:
         class IsolatedExtensionOne(Extension):
diff --git a/betty/tests/serde/test_error.py b/betty/tests/serde/test_error.py
index 353ec4726..cad1cb4ef 100644
--- a/betty/tests/serde/test_error.py
+++ b/betty/tests/serde/test_error.py
@@ -22,9 +22,9 @@ async def test_with_context(self) -> None:
         sut = SerdeError(Str.plain("Something went wrong!"))
         sut_with_context = sut.with_context(Str.plain("Somewhere, at some point..."))
         assert sut != sut_with_context
-        assert ["Somewhere, at some point..."] == [
+        assert [
             context.localize(DEFAULT_LOCALIZER) for context in sut_with_context.contexts
-        ]
+        ] == ["Somewhere, at some point..."]
 
 
 class TestSerdeErrorCollection:
@@ -80,9 +80,9 @@ async def test_with_context(self) -> None:
         sut = SerdeErrorCollection()
         sut_with_context = sut.with_context(Str.plain("Somewhere, at some point..."))
         assert sut is not sut_with_context
-        assert ["Somewhere, at some point..."] == [
+        assert [
             context.localize(DEFAULT_LOCALIZER) for context in sut_with_context.contexts
-        ]
+        ] == ["Somewhere, at some point..."]
 
     async def test_catch_without_contexts(self) -> None:
         sut = SerdeErrorCollection()
diff --git a/betty/tests/test_config.py b/betty/tests/test_config.py
index 1ce338465..0375e949b 100644
--- a/betty/tests/test_config.py
+++ b/betty/tests/test_config.py
@@ -133,13 +133,13 @@ async def test_delitem(self) -> None:
         configuration = self.get_configurations()[0]
         sut = self.get_sut([configuration])
         del sut[self.get_configuration_keys()[0]]
-        assert [] == list(sut.values())
+        assert list(sut.values()) == []
 
     async def test_iter(self) -> None:
         configurations = self.get_configurations()
         sut = self.get_sut(configurations)
         assert tuple(iter(sut)) == configurations
-        assert [] == list(sut.values())
+        assert list(sut.values()) == []
 
     async def test_len(self) -> None:
         configurations = self.get_configurations()
diff --git a/betty/tests/test_wikipedia.py b/betty/tests/test_wikipedia.py
index 8288989c7..23638711b 100644
--- a/betty/tests/test_wikipedia.py
+++ b/betty/tests/test_wikipedia.py
@@ -246,7 +246,7 @@ async def test_get_translations_with_invalid_json_response_should_return_none(
             }
         )
         actual = await _Retriever(fetcher).get_translations(page_language, page_name)
-        assert {} == actual
+        assert actual == {}
 
     @pytest.mark.parametrize(
         "response_json",
@@ -271,7 +271,7 @@ async def test_get_translations_with_unexpected_json_response_should_return_none
             fetch_map={fetch_url: _new_json_fetch_response(response_json)}
         )
         actual = await _Retriever(fetcher).get_translations(page_language, page_name)
-        assert {} == actual
+        assert actual == {}
 
     @pytest.mark.parametrize(
         ("expected", "fetch_json"),
@@ -836,7 +836,7 @@ async def test_populate_should_ignore_resource_without_links(
         async with project:
             sut = _Populator(project, m_retriever)
             await sut.populate()
-        assert [] == resource.links
+        assert resource.links == []
 
     async def test_populate_should_ignore_non_wikipedia_links(
         self, mocker: MockerFixture, new_temporary_app: App
diff --git a/pyproject.toml b/pyproject.toml
index 88cc0049d..81c31313c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -123,7 +123,7 @@ test = [
     'pytest-mock ~= 3.10, >= 3.10.0',
     'pytest-qt ~= 4.2, >= 4.2.0',
     'pytest-xvfb ~= 3.0, >= 3.0.0',
-    'ruff ~= 0.4.4',
+    'ruff ~= 0.5',
     'types-aiofiles ~= 24.1',
     'types-babel ~= 2.11, >= 2.11.0.15',
     'types-click ~= 7.1, >= 7.1.8',