Apply ruff format to code merged from PR #251/#275

PR #251 and PR #275 predate this repo's ruff-format adoption on those
files; running the formatter (single->double quotes, line wrapping,
trailing-comma cleanup) keeps the merged code consistent with the rest
of the codebase. No behavior change.

tests/test_select_display.py

@@ -49,6 +49,4 @@ def test_display_passes_through_non_string_values():
 
 
 def test_display_uses_fallback_when_translation_has_no_state_table():
-    assert _display('69', 'cycle', lambda value: f'Unknown (0x{value})') == (
-        'Unknown (0x69)'
-    )
+    assert _display("69", "cycle", lambda value: f"Unknown (0x{value})") == ("Unknown (0x69)")