element_class of Subsets is broken

[SamueleGiraudo]

element_class of Subsets is broken

sage: s = Subsets(Set([1]))
sage: e = s.first()
sage: isinstance(e, s.element_class)
False

Note: this should be caught by setting good categories

sage: s.category()
Category of objects

Component: combinatorics

Keywords: Subsets element_class

Author: Samuele Giraudo

Issue created by migration from https://trac.sagemath.org/ticket/8367

[SamueleGiraudo]

Attachment: trac_8367_subsets_element_class_fix-sg.patch.gz

[SamueleGiraudo]

Author: Samuele Giraudo

[hivert]

comment:2

Replying to @SamueleGiraudo:

Hi Samuele,

I think you made a mistake in opening new ticket #8396 for this problem. This ticket should be closed as duplicate.