Problems updating an old install

[Aaron Bentley]

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Vincent LADEUIL wrote:
>>>>>>"Aaron" == Aaron Bentley <aaron.bentley at utoronto.ca> writes:
> 
> 
>     Aaron> Vincent LADEUIL wrote:
>     >> Trying to install that I get :
> 
>     >> | File "/home/vila/src/bzr.dev/bzrlib/branch.py", line 23,
>     >> in ?  | import xml.sax.saxutils | ImportError: No module
>     >> named sax.saxutils
> 
>     Aaron> This is a problem with in-place upgrades, because they
>     Aaron> don't usually delete old pyc files.
> 
> Err...
> 
> But line 23 of branch.py is :
> 
> import xml.sax.saxutils
> 
> I don't  really understand python  but isn't it something  like a
> include of 'xml.sax.saxutils' ?

Yes.  Python tries file-relative paths first, before trying the system
libraries  Since there is an xml.pyc file, it concludes that xml ==
bzrlib/xml.pyc.  Then, it tries to import sax in bzrlib, which is
impossible.

Aaron
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