tests

doc: fix warning about the 'dump' command doc generation #1085

Job	Run time
style	28s
minimum dependency versions	2m 58s
py3.13 unit tests	2m 31s
doc	28s
py3.12 unit tests	2m 39s
py3.11 unit tests	2m 31s
py3.10 unit tests	2m 48s
	14m 23s

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