Can we please add some basic tests or syntax checks

[rkm]

This was committed but is not valid python

dicompixelanon/src/utilities/dicom_pixel_remover.py

Line 97 in 5adc9b2

parser.add_argument('--salt', action="store", help="salt to randomise hash (max 8 chars)')

and

dicompixelanon/src/utilities/dicom_pixel_remover.py

Line 52 in 5adc9b2

ds.get('NumberOfFrames', 'ERR_NumberOfFrames),