Test and fix Renderer.geometry method #955

Job	Run time
mypy	20s
ruff	6s
sdist	38s
tox (windows-latest)	2m 47s
tox (ubuntu-latest)	1m 42s
test-docs	1m 30s
build (ubuntu-latest, pypy-3.8, x64)	3m 22s
build (ubuntu-latest, 3.8, x64)	3m 28s
build (windows-latest, 3.8, x64)	3m 49s
build (windows-latest, pypy-3.8, x86)	5m 8s
build (windows-latest, pypy-3.8, x64)	5m 0s
parse_sdl (windows-latest, 2.30.0)	43s
parse_sdl (macos-latest, 2.0.16)	22s
build (windows-latest, 3.8, x86)	4m 24s
linux-wheels (x86_64, pp38-manylinux*)	2m 7s
linux-wheels (aarch64, cp38-manylinux*)	12m 18s
parse_sdl (macos-latest, 2.0.14)	25s
parse_sdl (windows-latest, 2.0.16)	43s
linux-wheels (aarch64, pp38-manylinux*)	11m 26s
build-macos (pp38-*)	3m 47s
linux-wheels (x86_64, cp38-manylinux*)	1m 54s
parse_sdl (macos-latest, 2.30.0)	23s
build-macos (cp38-*_universal2)	5m 9s
parse_sdl (windows-latest, 2.0.14)	47s
publish	0s
	1h 12m 18s

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