$ python3.4 blind264.py source.avs --sar 64:45
Traceback (most recent call last):
  File "blind264.py", line 8, in <module>
    from test_rig import TestRig
  File "/home/pmb/Downloads/blind264/test_rig.py", line 41
    args = shlex.split('x264 %s --frames 1 --output test.mkv' % self.source)        output = subprocess.check_output(args, bufsize=-1, stderr=subprocess.STDOUT)
                                                                                         ^
SyntaxError: invalid syntax