qannotate broken in trunk revno.1320

[Alexander Belchenko]

C:\work\Bazaar\plugins\explorer\lib>bzr qann -r-1 explorer.py
bzr: ERROR: exceptions.AttributeError: 'RevisionTree' object has no attribute 'basedir'

Traceback (most recent call last):
  File "C:\work\Bazaar\plugins\qbzr\lib\trace.py", line 300, in reports_exception_decorate
  File "C:\work\Bazaar\plugins\qbzr\lib\annotate.py", line 398, in initial_load
  File "C:\work\Bazaar\plugins\qbzr\lib\annotate.py", line 480, in annotate
  File "C:\work\Bazaar\plugins\qbzr\lib\logwidget.py", line 101, in load
  File "C:\work\Bazaar\plugins\qbzr\lib\logmodel.py", line 163, in load
  File "C:\work\Bazaar\plugins\qbzr\lib\logmodel.py", line 99, in load
  File "C:\work\Bazaar\plugins\qbzr\lib\loggraphviz.py", line 204, in load
  File "C:\work\Bazaar\plugins\qbzr\lib\loggraphviz.py", line 358, in load_graph_parents
  File "C:\work\Bazaar\plugins\qbzr\lib\loggraphviz.py", line 335, in load_branch_heads
  File "C:\work\Bazaar\plugins\qbzr\lib\loggraphviz.py", line 1205, in load_branch_heads
AttributeError: 'RevisionTree' object has no attribute 'basedir'

bzr 2.2.1 on python 2.6.4 (Windows-XP-5.1.2600-SP3)
arguments: ['C:\\Program Files\\Bazaar\\bzr.EXE', 'qann', '-r-1', 'explorer.py']
encoding: 'cp1251', fsenc: 'mbcs', lang: None
plugins:
  acad C:\work\Bazaar\plugins\acad [0.8.0]
  bzrtools C:\Program Files\Bazaar\plugins\bzrtools [2.2.0]
  colo C:\work\Bazaar\plugins\colo [0.2.0dev]
  explorer C:\work\Bazaar\plugins\explorer [1.1.2dev]
  format1 C:\work\Bazaar\plugins\format1 [unknown]
  kftp C:\work\Bazaar\plugins\kftp [unknown]
  launchpad C:\Program Files\Bazaar\plugins\launchpad [2.2.1]
  qbzr C:\work\Bazaar\plugins\qbzr [0.20.0dev1]
  rewrite C:\Program Files\Bazaar\plugins\rewrite [0.6.1]
  scmproj C:\work\Bazaar\plugins\scmproj [0.6.1]
  x_bit C:\work\Bazaar\plugins\x_bit [1.0.0]

*** 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.