Versions

• OS: Windows 10
• GTK+ Version: 3.22.30
• PyGObject Version: 3.28.3
• python-nbxmpp Version: 0.6.7
• Gajim Version: 1.0.99

Traceback

Traceback (most recent call last):
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/gui_interface.py", line 2252, in process_connections
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/nbxmpp/idlequeue.py", line 518, in process
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/nbxmpp/transports_nb.py", line 451, in pollin
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/nbxmpp/transports_nb.py", line 676, in _do_receive
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/nbxmpp/transports_nb.py", line 690, in _on_receive
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/nbxmpp/dispatcher_nb.py", line 537, in _WaitForData
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/common/modules/discovery.py", line 87, in _disco_response
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/disco.py", line 413, in _disco_info_received
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/disco.py", line 441, in _on_agent_info
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/disco.py", line 248, in __call__
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/disco.py", line 1077, in _agent_info
  File "C:/msys64/home/appveyor/gajim/win/_build_root/mingw64/lib/python3.7/site-packages/gajim/disco.py", line 1572, in _update_info
IndexError: list index out of range

Steps to reproduce the problem

Does not happen all the time when opening the discover services window, but when it happens this traceback comes up multiple times.