no permission in TracAccount Manager

[anonymous]

I have configurated the module TracAccountManager but when I try create a new account the followed error appear

[Errno 13] Permission denied

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/trac/web/cgi_frontend.py", line 130, in run
    dispatch_request(req.path_info, req, env)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 139, in dispatch_request
    dispatcher.dispatch(req)
  File "/usr/lib/python2.4/site-packages/trac/web/main.py", line 107, in dispatch
    resp = chosen_handler.process_request(req)
  File "/usr/lib/python2.4/site-packages/TracAccountManager-0.1.2.egg/acct_mgr/web_ui.py", line 51, in process_request
  File "/usr/lib/python2.4/site-packages/TracAccountManager-0.1.2.egg/acct_mgr/web_ui.py", line 67, in _do_change_password
  File "/usr/lib/python2.4/site-packages/TracAccountManager-0.1.2.egg/acct_mgr/api.py", line 88, in set_password
  File "/usr/lib/python2.4/site-packages/TracAccountManager-0.1.2.egg/acct_mgr/htfile.py", line 50, in set_password
  File "/usr/lib/python2.4/site-packages/TracAccountManager-0.1.2.egg/acct_mgr/htfile.py", line 77, in _update_file
  File "/usr/lib/python2.4/fileinput.py", line 231, in next
    line = self.readline()
  File "/usr/lib/python2.4/fileinput.py", line 300, in readline
    os.rename(self._filename, self._backupfilename)
OSError: [Errno 13] Permission denied

[Noah Kantrowitz]

Fixing traceback.