def __init__(self, *args, **kwargs):
self.alias = kwargs.get('<STR_LIT>')<EOL>if '<STR_LIT>' in kwargs:<EOL><INDENT>del kwargs['<STR_LIT>']<EOL><DEDENT>super(FilterStringField, self).__init__(*args, **kwargs)<EOL>if not self.raw_data:<EOL><INDENT>self.raw_data = []<EOL><DEDENT>
Init.