Traceback (most recent call last):
  File "electrum\gui\common_qt\util.py", line 214, in on_qt_callback_signal
  File "electrum\gui\qt\network_dialog.py", line 450, in on_event_network_updated
  File "electrum\gui\qt\network_dialog.py", line 192, in update
RuntimeError: wrapped C/C++ object of type NodesListWidget has been deleted