Occured while switching a checkout to a branch.

bzr: ERROR: exceptions.RuntimeError: maximum recursion depth exceeded while calling a Python object

Traceback (most recent call last):
  File "bzrlib\commands.pyo", line 930, in exception_to_return_code
  File "bzrlib\commands.pyo", line 1141, in run_bzr
  File "bzrlib\commands.pyo", line 673, in run_argv_aliases
  File "bzrlib\commands.pyo", line 697, in run
  File "bzrlib\cleanup.pyo", line 136, in run_simple
  File "bzrlib\cleanup.pyo", line 166, in _do_with_cleanups
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\commands.py", line 826, in run
  File "C:/Program Files (x86)/Bazaar/plugins\qbzr\lib\subprocess.py", line 1011, in run_subprocess_command
  File "bzrlib\commands.pyo", line 1141, in run_bzr
  File "C:/Program Files (x86)/Bazaar/plugins\loom\commands.py", line 261, in run_argv_aliases
  File "bzrlib\commands.pyo", line 673, in run_argv_aliases
  File "bzrlib\commands.pyo", line 697, in run
  File "bzrlib\cleanup.pyo", line 136, in run_simple
  File "bzrlib\cleanup.pyo", line 166, in _do_with_cleanups
  File "bzrlib\builtins.pyo", line 6243, in run
  File "bzrlib\switch.pyo", line 50, in switch
  File "bzrlib\switch.pyo", line 127, in _set_branch_location
  File "bzrlib\bzrdir.pyo", line 944, in set_branch_reference
  File "bzrlib\branch.pyo", line 2269, in initialize
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
  File "bzrlib\branch.pyo", line 2312, in open
  File "bzrlib\bzrdir.pyo", line 1078, in open_branch
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rdir.pyo", line 1078, in open_branch
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  File "bzrlib\branch.pyo", line 2310, in open
  File "bzrlib\controldir.pyo", line 689, in open
  File "bzrlib\controldir.pyo", line 718, in open_from_transport
  File "bzrlib\transport\__init__.pyo", line 1719, in do_catching_redirections
  File "bzrlib\controldir.pyo", line 706, in find_format
  File "bzrlib\controldir.pyo", line 1151, in find_format
  File "C:/Program Files (x86)/Bazaar/plugins\svn\__init__.py", line 274, in probe_transport
  File "bzrlib\errors.pyo", line 663, in __init__
  File "bzrlib\errors.pyo", line 446, in __init__
  File "bzrlib\errors.pyo", line 82, in __init__
RuntimeError: maximum recursion depth exceeded while calling a Python object

bzr 2.6b1 on python 2.6.6 (Windows-7-6.1.7601-SP1)
arguments: ['C:\\Program Files (x86)\\Bazaar\\bzr.exe', 'qsubprocess', '--
    bencode', 'l6:switch15:--create-branch26:x:\\*****\\*****%20****\\******e']
plugins: bzrtools[2.5.0], changelog_merge[2.6b1], colo[0.4.0],
    explorer[1.3.0dev], fastimport[0.14.0dev], git[0.6.8dev],
    launchpad[2.6b1], loom[2.3.0dev], netrc_credential_store[2.6b1],
    news_merge[2.6b1], pipeline[1.4.0], qbzr[0.23.0dev], rewrite[0.6.4dev],
    svn[1.2.2dev], upload[1.2.0dev], xmloutput[0.8.8]
encoding: 'cp1256', fsenc: 'mbcs', lang: None

*** 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.