Trac is broke

[Jeff Singleton]

Not sure if anyone else has noticed, but Trac is broken. All I see is 
this in Chrome, Firefox, and Safari:

Traceback (most recent call last):
   File "/usr/lib/python2.6/site-packages/trac/web/api.py", line 441, in 
send_error
     data, 'text/html')
   File "/usr/lib/python2.6/site-packages/trac/web/chrome.py", line 828, 
in render_template
     message = req.session.pop('chrome.%s.%d' % (type_, i))
   File "/usr/lib/python2.6/site-packages/trac/web/api.py", line 216, in 
__getattr__
     value = self.callbacks[name](self)
   File "/usr/lib/python2.6/site-packages/trac/web/main.py", line 309, 
in _get_session
     return Session(self.env, req)
   File "/usr/lib/python2.6/site-packages/trac/web/session.py", line 
207, in __init__
     self.get_session(sid)
   File "/usr/lib/python2.6/site-packages/trac/web/session.py", line 
234, in get_session
     self.bake_cookie()
   File "/usr/lib/python2.6/site-packages/trac/web/session.py", line 
215, in bake_cookie
     assert self.sid, 'Session ID not set'
AssertionError: Session ID not set