Traceback (most recent call last):
  File "electrum\gui\qt\__init__.py", line 418, in main
  File "electrum\gui\qt\__init__.py", line 292, in wrapper
  File "electrum\gui\qt\__init__.py", line 317, in start_new_window
  File "electrum\gui\qt\__init__.py", line 373, in _start_wizard_to_select_or_create_wallet
  File "electrum\wallet.py", line 3254, in __new__
  File "electrum\wallet.py", line 3098, in __init__
  File "electrum\wallet.py", line 2891, in __init__
  File "electrum\wallet.py", line 308, in __init__
  File "electrum\contacts.py", line 45, in __init__
RuntimeError: dictionary keys changed during iteration