qcommit: pending merge: double click on revision produce traceback

[Alexander Belchenko]

I'm trying to commit pending merge. 1 revision pending. Double click on this revision gets me following traceback:

bzr: ERROR: bzrlib.errors.NoSuchRevision: KnitPackRepository('file:///C:/work/MyCode/APMoney/ChainedFifo/.bzr/repository/') has no revision ('root:',)

Traceback (most recent call last):
  File "C:\work\Bazaar\plugins\qbzr\lib\trace.py", line 286, in reports_exception_decorate
  File "C:\work\Bazaar\plugins\qbzr\lib\diffwindow.py", line 205, in initial_load
  File "C:\work\Bazaar\plugins\qbzr\lib\diffwindow.py", line 214, in load_branch_info
  File "C:\work\Bazaar\plugins\qbzr\lib\diff_arg.py", line 84, in get_diff_window_args
  File "C:\work\Bazaar\plugins\qbzr\lib\diff_arg.py", line 68, in load_old_tree
  File "bzrlib\decorators.pyo", line 138, in read_locked
  File "bzrlib\repository.pyo", line 2568, in revision_tree
  File "bzrlib\decorators.pyo", line 138, in read_locked
  File "bzrlib\repository.pyo", line 2527, in get_revision_inventory
  File "bzrlib\decorators.pyo", line 138, in read_locked
  File "bzrlib\repository.pyo", line 2357, in get_inventory
  File "bzrlib\repository.pyo", line 2380, in _iter_inventories
  File "bzrlib\repository.pyo", line 2405, in _iter_inventory_xmls
NoSuchRevision: KnitPackRepository('file:///C:/work/MyCode/APMoney/ChainedFifo/.bzr/repository/') has no revision ('root:',)

bzr 2.0.0 on python 2.5.4 (win32)
arguments: ['C:\\Program Files\\Bazaar\\bzr.EXE', 'qci']
encoding: 'cp1251', fsenc: 'mbcs', lang: None
plugins:
  acad C:\work\Bazaar\plugins\acad [0.8.0]
  bzrtools C:\Program Files\Bazaar\plugins\bzrtools [2.0.0]
  explorer C:\work\Bazaar\plugins\explorer [0.8.2]
  fastimport C:\work\Bazaar\plugins\fastimport [0.9.0dev]
  format1 C:\work\Bazaar\plugins\format1 [unknown]
  launchpad C:\Program Files\Bazaar\plugins\launchpad [2.0.0]
  qbzr C:\work\Bazaar\plugins\qbzr [0.15.0dev]
  rebase C:\work\Bazaar\plugins\rebase [0.5.4dev]
  repoalias C:\work\Bazaar\plugins\repoalias [unknown]
  scmproj C:\work\Bazaar\plugins\scmproj [0.4.5dev2]
  svn C:\Program Files\Bazaar\plugins\svn [1.0.0]
  x_bit C:\work\Bazaar\plugins\x_bit [1.0.0]

[Alexander Belchenko (bialix)]

This bug does not affect 0.14 branch.