Traceback (most recent call last):
  File "/home/user/wspace/electrum/electrum/gui/qt/wizard/wizard.py", line 203, in on_next_button_clicked
    page.apply()
  File "/home/user/wspace/electrum/electrum/gui/qt/wizard/wallet.py", line 1258, in apply
    self.wizard_data['password'] = client.get_password_for_storage_encryption()
AttributeError: 'NoneType' object has no attribute 'get_password_for_storage_encryption'