python qui fait sa pute

len 22
Traceback (most recent call last):
  File "mot/tools/rx.py", line 29, in <module>
    rx(buf)
  File "mot/tools/rx.py", line 11, in rx
    data = struct.unpack('<IIIIIH', buf)
struct.error: unpack requires a string argument of length 22

grrr