日本語ファイル名が含まれる Subversion リポジトリからチェックアウトしようとしたら、以下のエラーが出てしまいます。対処方法は無いでしょうか。

bzr: ERROR: sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless
you use a text_factory that can interpret 8-bit bytestrings (like text_factory =
str). It is highly recommended that you instead just switch your application to
Unicode strings.

Traceback (most recent call last):
File "bzrlib\commands.pyo", line 923, in exception_to_return_code
File "bzrlib\commands.pyo", line 1123, in run_bzr
File "bzrlib\commands.pyo", line 691, in run_argv_aliases
File "bzrlib\commands.pyo", line 710, in run
File "bzrlib\cleanup.pyo", line 135, in run_simple
File "bzrlib\cleanup.pyo", line 165, in _do_with_cleanups
File "bzrlib\builtins.pyo", line 1328, in run
File "D:/Program Files/Bazaar/plugins\svn\branch.py", line 376, in create_checkout
File "D:/Program Files/Bazaar/plugins\svn\branch.py", line 321, in _create_heavyweight_checkout
File "bzrlib\branch.pyo", line 1086, in pull
File "D:/Program Files/Bazaar/plugins\svn\branch.py", line 822, in pull
File "D:/Program Files/Bazaar/plugins\svn\tags.py", line 362, in merge_to
File "D:/Program Files/Bazaar/plugins\svn\tags.py", line 285, in _resolve_tags_ancestry
File "D:/Program Files/Bazaar/plugins\svn\tags.py", line 63, in _resolve_reverse_tags_fallback
File "D:/Program Files/Bazaar/plugins\svn\revmeta.py", line 238, in get_revision_id
File "D:/Program Files/Bazaar/plugins\svn\revmeta.py", line 910, in get_revision_info
File "D:/Program Files/Bazaar/plugins\svn\revmeta.py", line 865, in _retrieve
File "D:/Program Files/Bazaar/plugins\svn\cache\sqlitecache.py", line 257, in get_revision