AttributeError: 'module' object has no attribute 'urlsafe_b64encode'

[peter@…]

Plugin causes fatal error. Happens on every page after you login under Trac 11.

Most recent call last:
File "/home/.omaha/padams/packages/lib/python2.3/site-packages/Trac-0.11-py2.3.egg/trac/web/main.py", line 423, in _dispatch_request
  dispatcher.dispatch(req)
File "/home/.omaha/padams/packages/lib/python2.3/site-packages/Trac-0.11-py2.3.egg/trac/web/main.py", line 208, in dispatch
  template, data, content_type = \
File "/home/.omaha/padams/packages/lib/python2.3/site-packages/Trac-0.11-py2.3.egg/trac/web/main.py", line 299, in _post_process_request
  resp = f.post_process_request(req, *resp)
File "build/bdist.linux-i686/egg/acct_mgr/web_ui.py", line 537, in post_process_requestFile "build/bdist.linux-i686/egg/acct_mgr/web_ui.py", line 574, in _gen_token


System Information:

User Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10_5_3; en-us) AppleWebKit/525.18 (KHTML, like Gecko) Version/3.1.1 Safari/525.20

Trac:	0.11
Python:	2.3.5 (#2, Oct 16 2006, 19:19:48) [GCC 3.3.5 (Debian 1:3.3.5-13)]
setuptools:	0.6c8
MySQL:	server: "5.0.24a-standard-log", client: "5.0.16", thread-safe: 1
MySQLdb:	1.2.2
Genshi:	0.5
Pygments:	0.9
Subversion:	1.4.2 (r22196)
jQuery:	1.2.3

[Noah Kantrowitz]

This function was added in Python 2.4. I don't see a simple workaround, so for now you will need to disable the email verification module.