File "electrum\gui\qt\history_list.py", line 680, in <lambda>
  File "electrum\gui\qt\history_list.py", line 726, in remove_local_tx
  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