subversion backport breaks viewcvs

[Anthony DeRobertis <aderobertis@metrics.net>]

An Exception Has Occurred
Python Traceback

Traceback (most recent call last):
 File "/usr/lib/python2.3/site-packages/viewcvs/viewcvs.py", line 3235, in main
   request.run_viewcvs()
 File "/usr/lib/python2.3/site-packages/viewcvs/viewcvs.py", line 268, in run_viewcvs
   import vclib.svn
 File "/usr/lib/python2.3/site-packages/viewcvs/vclib/svn/__init__.py", line 27, in ?
   from svn import fs, repos, core, delta
 File "/usr/lib/python2.3/site-packages/svn/fs.py", line 28, in ?
   import libsvn.fs
 File "/usr/lib/python2.3/site-packages/libsvn/fs.py", line 5, in ?
   import _fs
ImportError: libsvn_swig_py-1.so.0: cannot open shared object file: No such file or directory



In stable, that's part of libsvn0. Hower, in bpo (1.3.2-5~bpo1):

   $ dpkg -L libsvn0 | grep swig
   $
     

... nothing. It seems to have moved to python-subversion. Installing 
that fixes viewcvs. Please add a Depends: python-subversion to libsvn0 
in bpo.