Merge pull request #831 from altair-above/gain_fix #415

Job	Run time
ubuntu-py38-oldestdeps	1m 18s
macos-py310-astroscrappy11	56s
ubuntu-py39	1m 11s
ubuntu-py39-bottleneck	1m 7s
ubuntu-py310	1m 4s
ubuntu-py311	1m 1s
ubuntu-py312	59s
macos-py312	42s
windows-py312	1m 49s
ubuntu-codestyle	10s
ubuntu-build_docs	1m 18s
ubuntu-py310-test-alldeps-devdeps	2m 43s
	14m 18s

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