def unpack(self, source, evalcode=False):
    import jsbeautifier.unpackers as unpackers
    try:
        return unpackers.run(source, evalcode)
    except unpackers.UnpackingError as error:
        print('error:', error)
        return ''
def unpack(self, source, evalcode=False):
    import jsbeautifier.unpackers as unpackers
    try:
        return unpackers.run(source, evalcode)
    except unpackers.UnpackingError as error:
        print('error:', error)
        return 