ERROR: exceptions.AttributeError: 'NoneType' object has no attribute 'report'

I get the error below when I try to do a pull using bzr+ssh. The error occurs in both 1.0.0 and 1.1.0.
Pulls have been working okay up to now.

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bzr: ERROR: exceptions.AttributeError: 'NoneType' object has no attribute 'report'

Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/commands.py", line 806, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/commands.py", line 762, in run_bzr
    ret = run(*run_argv)
  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/builtins.py", line 650, in run
    result.report(self.outf)
AttributeError: 'NoneType' object has no attribute 'report'

bzr 1.1.0 on python 2.5.1.final.0 (darwin)
arguments: ['/Library/Frameworks/Python.framework/Versions/Current/bin/bzr', 'pull']
encoding: 'US-ASCII', fsenc: 'utf-8', lang: None
plugins:
  bzrtools /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/BzrTools-1.0.0-py2.5.egg/bzrlib/plugins/bzrtools [1.0.0]
  launchpad /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/plugins/launchpad [unknown]
  multiparent /Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/bzr-1.1.0-py2.5-macosx-10.3-fat.egg/bzrlib/plugins/multiparent.pyc [unknown]
*** Bazaar has encountered an internal error.
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