Simplify lookup of object types #447

Job	Run time
Build macOS universal wheel (3.9)	57s
Build Linux x86_64 wheel (3.9)	1m 10s
Build Linux wheel (3.9, linux/arm64, aarch64-unknown-linux-gnu)	3m 48s
Build macOS universal wheel (3.10)	57s
Build Linux x86_64 wheel (3.10)	1m 13s
Build Linux wheel (3.9, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 40s
Build macOS universal wheel (3.11)	43s
Build Linux x86_64 wheel (3.11)	1m 30s
Build Linux wheel (3.10, linux/arm64, aarch64-unknown-linux-gnu)	3m 11s
Build macOS universal wheel (3.12)	55s
Build Linux wheel (3.10, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 11s
Build macOS universal wheel (3.13)	44s
Build Linux x86_64 wheel (3.12)	1m 15s
Build Linux wheel (3.11, linux/arm64, aarch64-unknown-linux-gnu)	3m 13s
Build Linux x86_64 wheel (3.13)	1m 17s
Build Linux wheel (3.11, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 6s
Build sdist	19s
Build Linux wheel (3.12, linux/arm64, aarch64-unknown-linux-gnu)	3m 24s
Build Linux wheel (3.12, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 5s
Build Windows wheel (3.9)	1m 29s
Build Linux wheel (3.13, linux/arm64, aarch64-unknown-linux-gnu)	3m 29s
Build Windows wheel (3.10)	1m 49s
Build Linux wheel (3.13, linux/arm/v7, armv7-unknown-linux-gnueabihf, --no-default-features)	4m 7s
Build Windows wheel (3.11)	1m 33s
Build Windows wheel (3.12)	1m 25s
Build Windows wheel (3.13)	2m 35s
Release	0s
	58m 5s

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