UnboundLocalError in USBMap.py

[KenDxD]

I got this error if Im going to run Discover Port on USBMap.Command.
I don't have any USBMappingTool kext on my config.

---

Populated:
XHCI: 0
Traceback (most recent call last):
File "/Users/ken/Downloads/USBMap-master/USBMap.py", line 1566, in
u.main()
File "/Users/ken/Downloads/USBMap-master/USBMap.py", line 1553, in main
self.discover_ports()
File "/Users/ken/Downloads/USBMap-master/USBMap.py", line 919, in discover_ports
temp_h = index+1+extras+pad+(1 if last_list else 0)
^^^^^
UnboundLocalError: cannot access local variable 'index' where it is not associated with a value