ValueError: invalid literal for int() with base 10: "!8 Err: Unknown command 'QS:5153'" #2

axi goto 10 10
Traceback (most recent call last):
File "/usr/local/bin/axi", line 9, in
load_entry_point('axi==0.1', 'console_scripts', 'axi')()
File "/Users/jojiabraham/code/axi/axi/main.py", line 34, in main
device.goto(x, y)
File "/Users/jojiabraham/code/axi/axi/device.py", line 97, in goto
px, py = self.read_position()
File "/Users/jojiabraham/code/axi/axi/device.py", line 124, in read_position
a, b = map(int, response.split(','))
ValueError: invalid literal for int() with base 10: "!8 Err: Unknown command 'QS:5153'"