#4797: upgrade -- if upgrading Cython run -ba instead of -b
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 Reporter:  mabshoff  |        Owner:  mabshoff  
     Type:  defect    |       Status:  new       
 Priority:  blocker   |    Milestone:  sage-3.2.2
Component:  packages  |   Resolution:            
 Keywords:            |  
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Changes (by mabshoff):

  * milestone:  sage-3.4 => sage-3.2.2

Old description:

> When upgrading Cython like at #4639 we should really run a -ba on upgrade
> and not just a -b since the new Cython version in this case does fix some
> fundamental issues the way exceptions are handled. In general I would be
> sleep much better if we do this in general since many potentially odd
> Heisenbugs that disappear after either a partial -b or a -ba would be
> avoided that way.
>
> Cheers,
>
> Michael

New description:

 When upgrading Cython like at #4639 we should really run a -ba on upgrade
 and not just a -b since the new Cython version in this case does fix some
 fundamental issues the way exceptions are handled. In general I would
 sleep much better if we do this in general since many potentially odd
 Heisenbugs that disappear after either a partial -b or a -ba would be
 avoided that way if a new Cython version is involved.

 Cheers,

 Michael

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4797#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of 
Reinventing the Wheel
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