Support an old import path #1401

Job	Run time
Build wheel and source distribution	16s
Binary aarch64-unknown-linux-gnu (ubuntu-22.04)	1m 54s
Binary x86_64-unknown-linux-gnu (ubuntu-22.04)	1m 48s
Publish to PyPI	0s
Binary x86_64-unknown-linux-musl (ubuntu-22.04)	2m 9s
Binary powerpc64le-unknown-linux-gnu (ubuntu-22.04)	2m 9s
Binary x86_64-pc-windows-msvc (windows-2022)	3m 57s
Binary i686-pc-windows-msvc (windows-2022)	4m 53s
Binary aarch64-apple-darwin (macos-12)	2m 14s
Binary x86_64-apple-darwin (macos-12)	2m 34s
Build release distributions	0s
Build macOS installer and sign/notarize artifacts	58s
Build Windows installers	1m 15s
Build development distributions / Ensure Hatch is installable	14s
Build development distributions / Distribution x86_64-pc-windows-msvc	50s
Build development distributions / Distribution x86_64-unknown-linux-gnu	51s
Build development distributions / Distribution aarch64-apple-darwin	25s
Build development distributions / Distribution aarch64-unknown-linux-gnu	2m 30s
Build development distributions / Distribution x86_64-apple-darwin	38s
Publish distributions	0s
	29m 35s

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