internal error on changing ticket (python 2.1)

[vittorio]

i get following when trying to change a ticket:

Traceback (most recent call last):
  File "/usr/lib/python2.1/site-packages/trac/core.py", line 493, in cgi_start
    real_cgi_start()
  File "/usr/lib/python2.1/site-packages/trac/core.py", line 488, in real_cgi_start
    dispatch_request(path_info, args, req, env)
  File "/usr/lib/python2.1/site-packages/trac/core.py", line 403, in dispatch_request
    module.run()
  File "/usr/lib/python2.1/site-packages/trac/Module.py", line 45, in run
    self.render()
  File "/usr/lib/python2.1/site-packages/trac/Ticket.py", line 397, in render
    self.save_changes (id)
  File "/usr/lib/python2.1/site-packages/trac/Ticket.py", line 332, in save_changes
    tn.notify(ticket, newticket=0, modtime=now)
  File "/usr/lib/python2.1/site-packages/trac/Notify.py", line 183, in notify
    self.hdf.setValue('email.ticket_props', self.format_props())
  File "/usr/lib/python2.1/site-packages/trac/Notify.py", line 234, in format_props
    if not f in tkt: continue
  File "/usr/lib/python2.1/UserDict.py", line 14, in __getitem__
    def __getitem__(self, key): return self.data[key]
KeyError: 0

using python2.1, trunk r773

[vittorio]

patch that did solve the problem

[vittorio]

attached Notify.patch that did solve the problem here.

[jonas]

Fixed in [770].