Clicking (-) for sweeper steps crashes demons

[ckometter]

Traceback (most recent call last):
File "C:\Users\Feldman Lab\code\github\feldmanlab\LabRAD-Device-Electrical_Measurement-ONline_Software\DEMONS GUI\Transport Gate Sweep\MultiSweeper.py", line 142, in
self.pushButton_DeleteQueue.clicked.connect(lambda: self.deleteQueue())
File "C:\Users\Feldman Lab\code\github\feldmanlab\LabRAD-Device-Electrical_Measurement-ONline_Software\DEMONS GUI\Transport Gate Sweep\MultiSweeper.py", line 655, in deleteQueue
self.Queue.pop(int(self.tableWidget_Queue.item(r,0).text())-1)
ValueError: invalid literal for int() with base 10: 'Queue Step'