Traceback (most recent call last):
  File "electrum/gui/qt/qrcodewidget.py", line 64, in paintEvent
  File "qrcode/main.py", line 455, in get_matrix
  File "qrcode/main.py", line 103, in make
  File "qrcode/main.py", line 180, in best_fit
qrcode.exceptions.DataOverflowError