#8396: element_class of Subsets is broken
-----------------------------+----------------------------------------------
   Reporter:  giraudo        |       Owner:  sage-combinat
       Type:  defect         |      Status:  new          
   Priority:  major          |   Milestone:               
  Component:  combinatorics  |    Keywords:               
     Author:  giraudo        |    Upstream:  N/A          
   Reviewer:                 |      Merged:               
Work_issues:                 |  
-----------------------------+----------------------------------------------
 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
 }}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8396>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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