doesn't parse the example file

i cloned the repository last week, head is at 3009b0d4c6040, and it doesn't work at all, not even on the provided example file:

calling python3 TFTTool.py  -i Example/HSV\ Test.tft
results in 
Warning: No instruction set found that matches editor version nxt-1.61.1. You won't be able to decode any usercode. 
...
Exception: A valid instruction set is required to decode the usercode. 
