TypeError after submitting on modify-comment form for removed comment

[Jun Omae]

How to reproduce:

1. Click Edit button on ticket's comment and modify-comment form would be shown
2. Remove the ticket's comment from another window
3. Click Submit changes button on the modify-comment form

Traceback (most recent call last):
  File "/venv/lib/python2.6/site-packages/trac/web/main.py", line 554, in _dispatch_request
    dispatcher.dispatch(req)
  File "/venv/lib/python2.6/site-packages/trac/web/main.py", line 247, in dispatch
    resp = chosen_handler.process_request(req)
  File "/venv/lib/python2.6/site-packages/trac/ticket/web_ui.py", line 181, in process_request
    return self._process_ticket_request(req)
  File "/venv/lib/python2.6/site-packages/trac/ticket/web_ui.py", line 578, in _process_ticket_request
    ticket.modify_comment(change['date'], req.authname, comment)
TypeError: 'NoneType' object is unsubscriptable

[Jun Omae]

Proposed changes in [1d9245214/jomae.git].

[Ryan J Ollos]

Looks good to me.

[Jun Omae]

Thanks for the reviewing! Committed in [15263] and merged in [15264-15265].