File "/usr/lib/python3/dist-packages/electrum/gui/qt/qrcodewidget.py", line 62, in paintEvent
    matrix = self.qr.get_matrix()
  File "/usr/lib/python3/dist-packages/qrcode/main.py", line 428, in get_matrix
    self.make()
  File "/usr/lib/python3/dist-packages/qrcode/main.py", line 93, in make
    self.best_fit(start=self.version)
  File "/usr/lib/python3/dist-packages/qrcode/main.py", line 150, in best_fit
    _check_version(start)
  File "/usr/lib/python3/dist-packages/qrcode/main.py", line 17, in _check_version
    "Invalid version (was %s, expected 1 to 40)" % version)