File "electrum\gui\qt\main_window.py", line 1152, in update_receive_qr
  File "electrum\gui\qt\qrcodewidget.py", line 37, in setData
  File "site-packages\qrcode\main.py", line 428, in get_matrix
  File "site-packages\qrcode\main.py", line 93, in make
  File "site-packages\qrcode\main.py", line 165, in best_fit