Crash on ad-hoc tab when the domain is not resolvable

Step to reproduce:

• /ad-hoc mescouilles
• ^M
• crash

Traceback (most recent call last): File "/home/eijebong/.install/poezio/src/poezio.py", line 72, in <module> main() File "/home/eijebong/.install/poezio/src/poezio.py", line 69, in main cocore.main_loop() # Refresh the screen, wait for user events etc File "/home/eijebong/.install/poezio/src/core/core.py", line 559, in main_loop self.do_command(replace_line_breaks(char), False) File "/home/eijebong/.install/poezio/src/core/core.py", line 708, in do_command return self.current_tab().on_input(key, raw) File "/home/eijebong/.install/poezio/src/tabs/listtab.py", line 168, in on_input return self.key_func[key]() File "/home/eijebong/.install/poezio/src/tabs/adhoc_commands_list.py", line 28, in execute_selected_command node, name, jid = self.listview.get_selected_row() TypeError: 'NoneType' object is not iterable

• Changesets:
  • Revision cfd344ed by mathieui on 2014-07-05T22:08:43Z:

Fix #2537 (crash on adhoc tab without items)