File "electrum\gui\qt\main_window.py", line 804, in update_tabs
  File "electrum\gui\qt\utxo_list.py", line 44, in update
  File "electrum\address_synchronizer.py", line 490, in f
  File "electrum\address_synchronizer.py", line 807, in get_utxos
  File "electrum\address_synchronizer.py", line 755, in get_addr_utxo