File "electrum\gui\qt\main_window.py", line 1613, in do_pay
  File "electrum\gui\qt\main_window.py", line 1627, in do_pay_invoice
  File "electrum\gui\qt\main_window.py", line 1664, in pay_onchain_dialog
  File "electrum\gui\qt\confirm_tx_dialog.py", line 175, in __init__
  File "electrum\gui\qt\util.py", line 336, in __init__
  File "electrum\gui\qt\confirm_tx_dialog.py", line 86, in update_tx
  File "electrum\gui\qt\main_window.py", line 1657, in <lambda>
  File "electrum\wallet.py", line 1224, in make_unsigned_transaction
  File "electrum\wallet.py", line 1096, in get_unconfirmed_base_tx_for_batching
  File "electrum\address_synchronizer.py", line 102, in func_wrapper
  File "electrum\address_synchronizer.py", line 108, in func_wrapper
  File "electrum\address_synchronizer.py", line 472, in f
  File "electrum\address_synchronizer.py", line 514, in get_history