Traceback (most recent call last):
  File "electrum/gui/qt/util.py", line 944, in on_done
  File "/Applications/Electrum.app/Contents/MacOS/electrum/plugins/trezor/qt.py", line 505, in update
    passphrases_label.setText(disen[features.passphrase_protection])
TypeError: list indices must be integers or slices, not NoneType