11 def what(file, h=None):  argument
37 def test_jpeg(h, f):  argument
44 def test_png(h, f):  argument
50 def test_gif(h, f):  argument
57 def test_tiff(h, f):  argument
64 def test_rgb(h, f):  argument
71 def test_pbm(h, f):  argument
79 def test_pgm(h, f):  argument
87 def test_ppm(h, f):  argument
95 def test_rast(h, f):  argument
102 def test_xbm(h, f):  argument
109 def test_bmp(h, f):  argument
115 def test_webp(h, f):  argument
121 def test_exr(h, f):  argument