running "Discover Services" leads to traceback
Traceback (most recent call last):
File "/home/matej/archiv/knihovna/repos/gajim/src/roster_window.py", line 4325, in on_service_disco_menuitem_activate
disco.ServiceDiscoveryWindow(account, address_entry=True)
File "/home/matej/archiv/knihovna/repos/gajim/src/disco.py", line 573, in __init__
self.address_comboboxtext.append_text(j)
AttributeError: 'NoneType' object has no attribute 'append_text'
and no window shows up