sudo python3 ./fusee-launcher.py fusee.bin
Traceback (most recent call last):
  File "./fusee-launcher.py", line 425, in <module>
    switch = RCMHax(wait_for_device=arguments.wait, vid=arguments.vid, pid=arguments.pid)
  File "./fusee-launcher.py", line 287, in __init__
    self.dev = self._find_device(vid, pid)
  File "./fusee-launcher.py", line 327, in _find_device
    return usb.core.find(idVendor=vid, idProduct=pid)
  File "/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/site-packages/usb/core.py", line 1263, in find
    raise NoBackendError('No backend available')
usb.core.NoBackendError: No backend available