File "electrum/gui/qt/main_window.py", line 660, in new_wallet
  File "electrum/gui/qt/__init__.py", line 247, in wrapper
  File "electrum/gui/qt/__init__.py", line 271, in start_new_window
  File "electrum/gui/qt/__init__.py", line 314, in _start_wizard_to_select_or_create_wallet
  File "electrum/base_wizard.py", line 633, in create_storage