File "electrum/gui/qt/main_window.py", line 659, 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 316, in _start_wizard_to_select_or_create_wallet
  File "electrum/wallet_db.py", line 72, in __init__
  File "electrum/wallet_db.py", line 105, in load_data
  File "electrum/util.py", line 390, in <lambda>
  File "electrum/util.py", line 386, in do_profile
  File "electrum/wallet_db.py", line 174, in upgrade
  File "electrum/wallet_db.py", line 530, in _convert_version_24