bzr: ERROR: exceptions.TypeError: sequence item 1: expected string, NoneType fo nd Traceback (most recent call last):   File "bzrlib\commands.pyc", line 817, in run_bzr_catch_errors   File "bzrlib\commands.pyc", line 779, in run_bzr   File "bzrlib\commands.pyc", line 477, in run_argv_aliases   File "bzrlib\builtins.pyc", line 1050, in run   File "bzrlib\workingtree_4.pyc", line 1125, in unlock   File "bzrlib\workingtree_4.pyc", line 312, in flush   File "bzrlib\dirstate.pyc", line 1639, in save   File "bzrlib\dirstate.pyc", line 1224, in get_lines   File "bzrlib\dirstate.pyc", line 1236, in _get_parents_line TypeError: sequence item 1: expected string, NoneType found bzr 0.90.0 on python 2.5.1.final.0 (win32) arguments: ['bzr', 'update'] ** please send this report to <a href="mailto:bazaar@lists.ubuntu.com">bazaar@lists.ubuntu.com</a> C:\Program Files\Bazaar\lib\library.zip\bzrlib\lockable_files.py:110: UserWarning: file group LockableFiles(< bzrlib.transport.local.LocalTransport url=file:///C:/Kepler/1.1/web/ajato_bazaar/.bzr/checkout/>) was not explicitly unlocked C:\Program Files\Bazaar\lib\library.zip\bzrlib\lock.py:79: UserWarning: lock on <open file u'C:/Kepler/1.1/web/ajato_bazaar/.bzr/checkout/dirstate', mode 'rb+' at 0x00F4E698> not released -- Best Regards,... George Petsagourakis