File "/var/folders/h5/c_py27lx7kb8b1jrbvjz_w000000gp/T/_MEISb66cP/electrum/plugins/trezor/qt.py", line 150, in pin_dialog
    self.response = str(matrix.get_value())
  File "trezorlib/qt/pinmatrix.py", line 120, in get_value