File "electrum\gui\qt\transaction_dialog.py", line 217, in save
  File "electrum\gui\qt\main_window.py", line 3364, in save_transaction_into_wallet
  File "electrum\util.py", line 367, in <lambda>
  File "electrum\util.py", line 363, in do_profile
  File "electrum\address_synchronizer.py", line 450, in save_transactions
  File "electrum\util.py", line 367, in <lambda>
  File "electrum\util.py", line 363, in do_profile
  File "electrum\storage.py", line 122, in write
  File "electrum\storage.py", line 142, in _write