File "electrum\gui\qt\main_window.py", line 2790, in import_addresses
  File "electrum\gui\qt\main_window.py", line 2772, in _do_import
  File "electrum\wallet.py", line 1554, in import_addresses
  File "electrum\util.py", line 356, in <lambda>
  File "electrum\util.py", line 352, in do_profile
  File "electrum\storage.py", line 89, in write
  File "electrum\storage.py", line 108, in _write