Bzr crashes when executing log

[Nicholas Allen]

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I tried to do a log over the smart server protocol and got this assertion:

bzr log bzr+ssh://user@site/project/branch
bzr: ERROR: exceptions.AssertionError:

Traceback (most recent call last):
~  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 834,
in run_bzr_catch_errors
~    return run_bzr(argv)
~  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 790,
in run_bzr
~    ret = run(*run_argv)
~  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 492,
in run_argv_aliases
~    return self.run(**all_cmd_args)
~  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 800,
in ignore_pipe
~    result = func(*args, **kwargs)
~  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 1788,
in run
~    limit=limit)
~  File "/usr/lib/python2.5/site-packages/bzrlib/log.py", line 185, in
show_log
~    start_revision, end_revision, search, limit)
~  File "/usr/lib/python2.5/site-packages/bzrlib/log.py", line 215, in
_show_log
~    allow_single_merge_revision)
~  File "/usr/lib/python2.5/site-packages/bzrlib/log.py", line 273, in
calculate_view_revisions
~    view_revisions = _filter_revision_range(list(view_revs_iter),
~  File "/usr/lib/python2.5/site-packages/bzrlib/log.py", line 519, in
get_view_revisions
~    graph.iter_ancestry(mainline_revs) if value is not None))
~  File "/usr/lib/python2.5/site-packages/bzrlib/log.py", line 518, in
<genexpr>
~    parent_map = dict(((key, value) for key, value in
~  File "/usr/lib/python2.5/site-packages/bzrlib/graph.py", line 442, in
iter_ancestry
~    next_map = self.get_parent_map(pending)
~  File "/usr/lib/python2.5/site-packages/bzrlib/remote.py", line 805, in
get_parent_map
~    parent_map = self._get_parent_map(missing_revisions)
~  File "/usr/lib/python2.5/site-packages/bzrlib/remote.py", line 883, in
_get_parent_map
~    assert type(key) is str
AssertionError

bzr 1.4dev on python 2.5.1 (linux2)
arguments: ['/usr/bin/bzr', 'log', 'bzr+ssh://user@site/project/branch']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_GB.UTF-8'
plugins:
~  difftools            /home/nick/.bazaar/plugins/difftools [unknown]
~  gtk                  /home/nick/.bazaar/plugins/gtk [0.94.0dev0]
~  launchpad
/usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
~  loom                 /home/nick/.bazaar/plugins/loom [1.3.0dev0]
~  multiparent
/usr/lib/python2.5/site-packages/bzrlib/plugins/multiparent.py [unknown]
~  qbzr
/usr/lib/python2.5/site-packages/bzrlib/plugins/qbzr [0.8.0dev0]
~  svn                  /home/nick/.bazaar/plugins/svn [0.5.0exp0]
~  xmloutput            /home/nick/.bazaar/plugins/xmloutput [0.4.1]
*** Bazaar has encountered an internal error.
~    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
~    including this traceback, and a description of what you
~    were doing when the error occurred.

Nick
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