def to_python(self, value):
        """Convert our string value to JSON after we load it from the DB"""
        if value is None or value == '':
            return {}

        if isinstance(value, six.string_types):
            res = loads(value)
        else:
            res = value

        if isinstance(res, dict):
            return JSONDict(**res)
        elif isinstance(res, list):
            return JSONList(res)

        return res
def to_python ( self , value ) : if value is None or value == '' : return { } if isinstance ( value , six . string_types ) : res = loads ( value ) else : res = value if isinstance ( res , dict ) : return JSONDict ( ** res ) elif isinstance ( res , list ) : return JSONList ( res ) return res
Convert our string value to JSON after we load it from the DB