Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/trace.py", line 365, in reports_exception_decorate
    return f(*args, **kargs)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/annotate.py", line 402, in initial_load
    self.path, self.fileId) = self.loader_func(*self.loader_args)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/qbzr/lib/commands.py", line 268, in _load_branch
    entry = tree.inventory[file_id]
AttributeError: 'SvnWorkingTree' object has no attribute 'inventory'