#12136: FVS function in DiGraph returns [0] instead of [] if already directed
acyclic
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   Reporter:  fichtejo       |          Owner:  tbd     
       Type:  defect         |         Status:  new     
   Priority:  trivial        |      Milestone:  sage-4.8
  Component:  PLEASE CHANGE  |       Keywords:          
Work_issues:                 |       Upstream:  N/A     
   Reviewer:                 |         Author:          
     Merged:                 |   Dependencies:          
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Comment(by ncohen):

 I do not get the "at dag the test" part, but anyway I should never have
 made this method return a "set" object when all the others return lists of
 vertices. What is the behaviour you do not like ?

 Nathann

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12136#comment:1>
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