File "site-packages\electrum-3.1.2-py3.5.egg\electrum_gui\qt\__init__.py", line 202, in start_new_window
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum_gui\qt\installwizard.py", line 292, in run_and_get_wallet
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum\storage.py", line 341, in upgrade
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum\util.py", line 294, in <lambda>
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum\util.py", line 290, in do_profile
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum\storage.py", line 243, in write
  File "site-packages\electrum-3.1.2-py3.5.egg\electrum\storage.py", line 260, in _write