Merge pull request #245 from scipp/emptycansubtractediofdspacing #709

Job	Run time
Formatting and static analysis	16s
Tests (ubuntu-24.04, 3.11, py311) / package-test	33s
Tests (ubuntu-24.04, 3.11, py311) / test	2m 55s
docs / Build documentation	14m 21s
	18m 5s

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