File "electrum\gui\qt\main_window.py", line 2247, in remove_wallet
  File "electrum\gui\qt\main_window.py", line 1557, in request_password
  File "electrum\gui\qt\main_window.py", line 2253, in _delete_wallet
  File "electrum\daemon.py", line 268, in stop_wallet
  File "electrum\address_synchronizer.py", line 172, in stop_threads
  File "electrum\util.py", line 367, in <lambda>
  File "electrum\util.py", line 363, in do_profile
  File "electrum\storage.py", line 107, in write
  File "electrum\storage.py", line 119, in _write