#10595: Vector constructor fails on empty list with no ring given
---------------------------------+------------------------------------------
   Reporter:  rbeezer            |       Owner:  jason, was
       Type:  defect             |      Status:  needs_work
   Priority:  major              |   Milestone:  sage-4.6.2
  Component:  linear algebra     |    Keywords:            
     Author:  Rob Beezer         |    Upstream:  N/A       
   Reviewer:  Dmitrii Pasechnik  |      Merged:            
Work_issues:                     |  
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Comment(by rbeezer):

 The following existing (undocumented) behavior was broken by this patch,
 so needs to be reinstated or worked around.  I thought this went through
 all a full test suite, but I guess not.

 {{{
 sage: z=ComplexField().an_element()
 sage: z
 1.00000000000000*I
 sage: vector(z)
 (0.000000000000000, 1.00000000000000)
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10595#comment:5>
Sage <http://www.sagemath.org>
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