#11599: Wrap fan moriphism in toric morphism
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   Reporter:  vbraun              |          Owner:  AlexGhitza
       Type:  enhancement         |         Status:  new       
   Priority:  major               |      Milestone:  sage-4.7.2
  Component:  algebraic geometry  |       Keywords:            
Work_issues:                      |       Upstream:  N/A       
   Reviewer:                      |         Author:            
     Merged:                      |   Dependencies:            
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Comment(by vbraun):

 Pickling is broken for some complex object like
 `EllipticCurveTorsionSubgroup` that contain circular self-references. This
 is a bug in unpickling the category framework, and will be addressed
 elsewhere. I've marked the offending unpickling doctests with `# optional
 - pickling` so we can fix them later.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11599#comment:7>
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