Fix invalid Python 3 syntax

skimage/io/tests/test_freeimage.py

@@ -37,7 +37,6 @@ def test_imread_uint16_big_endian():
 
 class TestSave:
     def roundtrip(self, dtype, x, suffix):
-        print dtype, x.shape, suffix
         f = NamedTemporaryFile(suffix='.'+suffix)
         fname = f.name
         f.close()