Python 3 syntax errors

  File "lib/python3.6/site-packages/bob/rppg/cvpr14/script/filter.py", line 158
    print len(objects)
            ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/cvpr14/script/video2skin.py", line 158
    print len(objects)
            ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/chrom/script/extract_pulse_from_mask.py", line 169
    raise RuntimeError, "Grid request for job %d on a setup with %d jobs" % \
                      ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/cvpr14/script/illumination_rectification.py", line 154
    print len(objects)
            ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/chrom/script/extract_pulse.py", line 163
    print len(objects)
            ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/ssr/script/spatial_subspace_rotation.py", line 159
    print len(objects)
            ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/ssr/script/ssr_from_mask.py", line 167
    raise RuntimeError, "Grid request for job %d on a setup with %d jobs" % \
                      ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/cvpr14/script/extract_signals.py", line 165
    raise RuntimeError, "Grid request for job %d on a setup with %d jobs" % \
                      ^
SyntaxError: invalid syntax

  File "lib/python3.6/site-packages/bob/rppg/cvpr14/script/motion_elimination.py", line 163
    print len(objects)
            ^
SyntaxError: invalid syntax