id	summary	reporter	owner	description	type	status	priority	milestone	component	resolution	keywords	cc	work_issues	upstream	reviewer	author	merged	dependencies	stopgaps
10227	change_labels for sum species structure does not actually change the labels	mhansen	hivert	"{{{

sage: X = species.SingletonSpecies()
sage: X2 = X+X
sage: X2.structures([1]).list()
[1, 1]
sage: s = X2.structures([1]).list()[0]
sage: s.labels()
[1]
sage: s.change_labels([""a""])
1
}}}"	defect	needs_review	major	sage-5.11	combinatorics		species	sage-combinat		N/A	Florent Hivert	Mike Hansen		#5457, #5512, #13317