File "electrum/gui/qt/main_window.py", line 712, in <lambda>
  File "electrum/gui/qt/main_window.py", line 2874, in import_requests
  File "electrum/gui/qt/util.py", line 934, in import_meta_gui
  File "electrum/wallet.py", line 775, in import_requests
  File "electrum/wallet.py", line 1939, in add_payment_request