What is this blend2bam bug?

clown@clown-Lenovo-ideapad-300-15ISK:/media/clown/Clown/panda3d/RTS_game/camp$ blend2bam
Traceback (most recent call last):
  File "/home/clown/.local/bin/blend2bam", line 6, in <module>
    from blend2bam.cli import main
  File "/home/clown/.local/lib/python2.7/site-packages/blend2bam/cli.py", line 79
    print('Failed to convert all files', file=sys.stderr)
                                             ^

This is not a bug. You are using a very old version of Python, 2.7. You should update to a more recent version of Python.