File "electrum/gui/qt/invoice_list.py", line 166, in <lambda>
  File "electrum/gui/qt/main_window.py", line 1627, in do_pay_invoice
  File "electrum/gui/qt/main_window.py", line 1682, in pay_onchain_dialog
  File "electrum/gui/qt/main_window.py", line 1605, in save_pending_invoice
  File "electrum/wallet.py", line 752, in save_invoice
  File "electrum/wallet.py", line 302, in save_db
  File "electrum/wallet_db.py", line 1239, in write
  File "electrum/wallet_db.py", line 1247, in _write
  File "electrum/util.py", line 408, in <lambda>
  File "electrum/util.py", line 404, in do_profile
  File "electrum/storage.py", line 85, in write