Traceback (most recent call last):
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/Paste-1.3.1dev_r6621-py2.4.egg/paste/httpserver.py", line 1044, in process_request_in_thread
    self.finish_request(request, client_address)
  File "/usr/lib64/python2.4/SocketServer.py", line 254, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "/usr/lib64/python2.4/SocketServer.py", line 521, in __init__
    self.handle()
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/Paste-1.3.1dev_r6621-py2.4.egg/paste/httpserver.py", line 424, in handle
    BaseHTTPRequestHandler.handle(self)
  File "/usr/lib64/python2.4/BaseHTTPServer.py", line 316, in handle
    self.handle_one_request()
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/Paste-1.3.1dev_r6621-py2.4.egg/paste/httpserver.py", line 419, in handle_one_request
    self.wsgi_execute()
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/Paste-1.3.1dev_r6621-py2.4.egg/paste/httpserver.py", line 287, in wsgi_execute
    self.wsgi_start_response)
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/Paste-1.3.1dev_r6621-py2.4.egg/paste/urlmap.py", line 202, in __call__
    return app(environ, start_response)
  File "/usr/local/topp/deploy/tasktracker-20070605-2/lib/python2.4/PasteDeploy-1.3-py2.4.egg/paste/deploy/config.py", line 276, in __call__
    return self.app(environ, start_response)
  File "/usr/local/topp/deploy/tasktracker-20070605-2/src/tasktracker/tasktracker/config/middleware.py", line 60, in middleware
    return app(environ, start_response)
  File "/usr/local/topp/deploy/tasktracker-20070605-2/src/tasktracker/tasktracker/config/middleware.py", line 48, in middleware
    return app(environ, start_response)
  File "/usr/local/topp/deploy/tasktracker-20070605-2/src/tasktracker/tasktracker/lib/cookieauth.py", line 179, in __call__
    if username in umapper.project_member_names():
  File "/usr/local/topp/deploy/tasktracker-20070605-2/src/tasktracker/tasktracker/lib/usermapper.py", line 33, in project_member_names
    return [u.get('username') for u in self.project_members()]
  File "/usr/local/topp/deploy/tasktracker-20070605-2/src/tasktracker/tasktracker/lib/cookieauth.py", line 111, in project_members
    return get_users_for_project(self.project, self.server, self.admin_info)
  File "/usr/lib64/python2.4/site-packages/topp.utils-0.2dev_r4941-py2.4.egg/topp/utils/memorycache.py", line 115, in __call__
    return self.cache.get_object(args)
  File "/usr/lib64/python2.4/site-packages/topp.utils-0.2dev_r4941-py2.4.egg/topp/utils/memorycache.py", line 54, in get_object
    created, obj = self.objects[key]
TypeError: list objects are unhashable
----------------------------------------