[Pkg-bazaar-maint] Bug#649843: bzr-svn: crashes Bazaar with “'module' object has no attribute 'credential_store_registry'”

[Ben Finney]

Package: bzr-svn
Version: 1.1.1-1
Severity: important

With the currently-installed ‘bzr-svn’, Bazaar crashes on any command I try:

=====
$ bzr whoami
'module' object has no attribute 'credential_store_registry'
Unable to load plugin 'svn' from '/usr/lib/python2.7/dist-packages/bzrlib/plugins'
bzr: ERROR: exceptions.TypeError: 'NoneType' object is not callable

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 923, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1123, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 688, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 710, in run
    return self._operation.run_simple(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 135, in run_simple
    self.cleanups, self.func, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/cleanup.py", line 165, in _do_with_cleanups
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/commands.py", line 1138, in ignore_pipe
    result = func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/builtins.py", line 3417, in run
    c = Branch.open_containing(u'.')[0].get_config()
  File "/usr/lib/python2.7/dist-packages/bzrlib/branch.py", line 198, in open_containing
    possible_transports)
  File "/usr/lib/python2.7/dist-packages/bzrlib/bzrdir.py", line 760, in open_containing
    return BzrDir.open_containing_from_transport(transport)
  File "/usr/lib/python2.7/dist-packages/bzrlib/bzrdir.py", line 781, in open_containing_from_transport
    result = BzrDir.open_from_transport(a_transport)
  File "/usr/lib/python2.7/dist-packages/bzrlib/bzrdir.py", line 745, in open_from_transport
    redirected)
  File "/usr/lib/python2.7/dist-packages/bzrlib/lazy_import.py", line 128, in __call__
    return obj(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/transport/__init__.py", line 1670, in do_catching_redirections
    return action(transport)
  File "/usr/lib/python2.7/dist-packages/bzrlib/bzrdir.py", line 732, in find_format
    transport, _server_formats=_server_formats)
  File "/usr/lib/python2.7/dist-packages/bzrlib/controldir.py", line 750, in find_format
    return prober.probe_transport(transport)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/svn/__init__.py", line 258, in probe_transport
    raise NotBranchError(path=transport.base)
TypeError: 'NoneType' object is not callable

bzr 2.3.1 on python 2.7.2 (Linux-3.0.0-1-powerpc64-ppc64-with-debian-wheezy-sid)
arguments: ['/usr/bin/bzr', 'whoami']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_AU.UTF-8'
plugins:
  bash_completion      /usr/lib/python2.7/dist-packages/bzrlib/plugins/bash_completion [2.3.1]
  builddeb             /usr/lib/python2.7/dist-packages/bzrlib/plugins/builddeb [2.7.0dev]
  bzrtools             /usr/lib/python2.7/dist-packages/bzrlib/plugins/bzrtools [2.3.1]
  cvsps_import         /usr/lib/python2.7/dist-packages/bzrlib/plugins/cvsps_import [unknown]
  etckeeper            /usr/lib/python2.7/dist-packages/bzrlib/plugins/etckeeper [unknown]
  fastimport           /usr/lib/python2.7/dist-packages/bzrlib/plugins/fastimport [0.11.0]
  git                  /usr/lib/python2.7/dist-packages/bzrlib/plugins/git [0.6.2]
  grep                 /usr/lib/python2.7/dist-packages/bzrlib/plugins/grep [0.4.0]
  hg                   /usr/lib/python2.7/dist-packages/bzrlib/plugins/hg [0.2.0dev]
  launchpad            /usr/lib/python2.7/dist-packages/bzrlib/plugins/launchpad [2.3.1]
  loom                 /usr/lib/python2.7/dist-packages/bzrlib/plugins/loom [2.2.1dev]
  netrc_credential_store /usr/lib/python2.7/dist-packages/bzrlib/plugins/netrc_credential_store [2.3.1]
  news_merge           /usr/lib/python2.7/dist-packages/bzrlib/plugins/news_merge [2.3.1]
  pipeline             /usr/lib/python2.7/dist-packages/bzrlib/plugins/pipeline [1.1.0]
  pqm                  /usr/lib/python2.7/dist-packages/bzrlib/plugins/pqm [1.4.0dev]
  search               /usr/lib/python2.7/dist-packages/bzrlib/plugins/search [1.7.0dev]
  stats                /usr/lib/python2.7/dist-packages/bzrlib/plugins/stats [0.1.0]
  upload               /usr/lib/python2.7/dist-packages/bzrlib/plugins/upload [1.0.1dev]

*** Bazaar has encountered an internal error.  This probably indicates a
    bug in Bazaar.  You can help us fix it by filing a bug report at
        https://bugs.launchpad.net/bzr/+filebug
    including this traceback and a description of the problem.
=====

When I disable all plug-ins, the commands succeed:

=====
$ bzr --no-plugins whoami
Ben Finney <ben at benfinney.id.au>
=====


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (990, 'testing'), (900, 'stable')
Architecture: powerpc (ppc64)

Kernel: Linux 3.0.0-1-powerpc64 (SMP w/2 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_AU.UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages bzr-svn depends on:
ii  bzr               2.3.1-2
ii  python            2.7.2-9
ii  python-subvertpy  0.8.9-1
ii  python2.6         2.6.7-3
ii  python2.7         2.7.2-5

Versions of packages bzr-svn recommends:
ii  python-tdb  1.2.9-4+b1
ii  python-xdg  0.19-3    

Versions of packages bzr-svn suggests:
pn  bzr-rewrite  <none>

-- no debconf information