Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/explorer/lib/explorer.py", line 1859, in do_bookmarks_edit_my
    edit_callback=self.do_bookmarks_refresh)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/explorer/lib/explorer.py", line 1250, in edit_file
    self.run_app(split_command_options(editor) + [path])
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/explorer/lib/explorer.py", line 1106, in run_app
    self._app_runner.run_app(args, success_callback, use_shell=use_shell)
  File "/usr/lib/python2.7/dist-packages/bzrlib/plugins/explorer/lib/app_runner.py", line 86, in run_app
    subprocess.Popen(args, shell=use_shell)
  File "/usr/lib/python2.7/subprocess.py", line 672, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1213, in _execute_child
    raise child_exception
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 0: ordinal not in range(128)