Error at sending a message
When I try to send a message, an error occurs:
Traceback (most recent call last):
File "/home/mgol/gajim/src/dialogs.py", line 2508, in on_single_message_window_destroy
if c.is_groupchat() and not self.from_whom in \
AttributeError: 'NoneType' object has no attribute 'is_groupchat'