Error while reseting a password - AccountManager Plugin v0.5dev

[t.baron@…]

TracAccountManager 	0.5dev 	/var/www/trac/plugins/TracAccountManager-0.5dev-py2.7.egg

Trac detected an internal error:

ProgrammingError: (1064, "You have an error in your SQL syntax; check the manual
that corresponds to your MySQL server version for the right syntax to use near
'sid='TEST1' AND authenticated=1 AND name='force_change_passwd'' at line 1")

File "build/bdist.linux-x86_64/egg/trac/db/util.py", line 72, in execute 
Name	Value
args 	(1, u'TEST1', 'force_change_passwd')
self 	<trac.db.util.IterableCursor object at 0x7f0849a5add0>
sql 	'UPDATE session_attribute SET value=%sWHERE sid=%s AND authenticated=1 ...

Traceback:
File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 613, in _dispatch_request
  dispatcher.dispatch(req)
File "build/bdist.linux-x86_64/egg/trac/web/main.py", line 253, in dispatch
  resp = chosen_handler.process_request(req)
File "build/bdist.linux-x86_64/egg/trac/admin/web_ui.py", line 108, in process_request
  provider.render_admin_panel(req, cat_id, panel_id, path_info)
File "build/bdist.linux-x86_64/egg/acct_mgr/admin.py", line 219, in render_admin_panel
  return self._do_users(req)
File "build/bdist.linux-x86_64/egg/acct_mgr/admin.py", line 621, in _do_users
  acctmod._reset_password(req, username, email)
File "build/bdist.linux-x86_64/egg/acct_mgr/web_ui.py", line 301, in _reset_password
  set_user_attribute(self.env, username, 'force_change_passwd', 1)
File "build/bdist.linux-x86_64/egg/acct_mgr/model.py", line 509, in set_user_attribute
  (value, username, attribute))
File "build/bdist.linux-x86_64/egg/trac/db/util.py", line 128, in execute
  cursor.execute(query, params if params is not None else [])
File "build/bdist.linux-x86_64/egg/trac/db/util.py", line 72, in execute
  return self.cursor.execute(sql_escape_percent(sql), args)
File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute
  self.errorhandler(self, exc, value)
File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler
  raise errorclass, errorvalue

System Information

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:52.0) 
Gecko/20100101 Firefox/52.0

Package	Version
Trac 	1.2
Genshi 	0.7 (without speedups)
mod_wsgi 	4.3.0 (WSGIProcessGroup WSGIApplicationGroup %{GLOBAL})
MySQL 	server: "5.5.52-0+deb8u1", client: "5.5.52", thread-safe: 1
MySQLdb 	1.2.3
Python 	2.7.9 (default, Jun 29 2016, 13:11:10) [GCC 4.9.2]
setuptools 	5.5.1
jQuery	1.11.3
jQuery UI	1.11.4
jQuery Timepicker	1.5.5

[Jun Omae]

PluginIssue (​th:AccountManagerPlugin)