File "electrum\gui\qt\main_window.py", line 703, in <lambda>
  File "electrum\gui\qt\main_window.py", line 2834, in import_requests
  File "electrum\gui\qt\util.py", line 926, in import_meta_gui
  File "electrum\wallet.py", line 753, in import_requests
  File "electrum\wallet.py", line 1819, in add_payment_request