#6121: use metaclasses to support nested class pickling
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 Reporter:  robertwb  |       Owner:  cwitty                  
     Type:  defect    |      Status:  new                     
 Priority:  major     |   Milestone:                          
Component:  misc      |    Keywords:  pickling, nested classes
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 We can work around this by shipping and always using a custom cPickle, and
 hopefully this will eventually be fixed in Python itself, but a metaclass
 seems to be a less hackish solution.

 Another solution is decorators, but this requires a decorator on every
 use.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6121>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel

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