I also try the cod ein damiafuentes/DJITelloPy, but it does not seem to work for me on my Mac and Python 3.6. I get the following errors:
[h264 @ 0x7fa2cb886400] non-existing PPS 0 referenced
[h264 @ 0x7fa2cb886400] non-existing PPS 0 referenced
[h264 @ 0x7fa2cb886400] decode_slice_header error...