#9896: Upgrading from 4.5.3 to 4.6.alpha* can fail (not limited to MacOS X)
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   Reporter:  jhpalmieri                      |       Owner:  GeorgSWeber       
                      
       Type:  defect                          |      Status:  needs_review      
                      
   Priority:  blocker                         |   Milestone:  sage-4.6          
                      
  Component:  build                           |    Keywords:  upgrade update 
dependencies PARI NewPARI
     Author:  Leif Leonhardy, Jeroen Demeyer  |    Upstream:  N/A               
                      
   Reviewer:                                  |      Merged:                    
                      
Work_issues:                                  |  
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Comment(by leif):

 I've now successfully upgraded to Sage 4.6.alpha3 (from fresh builds of
 Sage 4.5.3) and (with the exception of the 32-bit system) {{{ptestlong}}}
 passed without errors on:

  * Ubuntu 9.04 x86 (in-place; after upgrading I now also get #10041, which
 doesn't occur when building from scratch)

  * Ubuntu 9.04 x86_64 (Sage installation moved before upgrading, with the
 work-around given in the description, i.e. also forcing a rebuild of
 freetype)

  * Ubuntu 10.04 x86_64 (in-place)

 I also "repaired" a failed upgrade from a moved Sage installation on the
 latter system by forcing reinstallation of freetype and running {{{make}}}
 afterwards; {{{ptestlong}}} then also passed without errors.

 ----

 Currently, the installation of matplotlib 1.0.0 (included in alpha3,
 #9221) breaks older versions of matplotlib in '''other''' Sage
 installations; this is now fixed by #6235.

 Deleting or renaming {{{$HOME/.matplotlib/}}} (probably each time) before
 running an older (or after running the new) version of Sage also avoids
 that problem (cf. traceback above, ''"!TypeError: coercing to Unicode:
 need string or buffer, dict found"'').

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9896#comment:132>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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