sub:assertion {
  sub:LinguisticSystem a schema:ComputerLanguage ;
    rdfs:label "python" ;
    rdfs:seeAlso <https://www.wikidata.org/wiki/Q28865> ;
    owl:versionInfo "3.7.9.final.0" .
  sub:img a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "img" .
  sub:out1 a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "out1" .
  sub:step dct:description """@is_fairstep(label='Make white background of image transparent')
def white_to_transparency(img):
    from PIL import Image
    img = img.convert(\"RGBA\")
    data = img.getdata()
    new_data = []
    for item in data:
        if item[0] == 255 and item[1] == 255 and item[2] == 255:
            new_data.append((255, 255, 255, 0))
        else:
            new_data.append(item)
    img.putdata(new_data)
    return img
""" ;
    dct:language sub:LinguisticSystem ;
    pplan:hasInputVar sub:img ;
    pplan:hasOutputVar sub:out1 ;
    a bpmn:ScriptTask , pplan:Step ;
    rdfs:label "Make white background of image transparent" .
}