class_docstr: A constraint disallowing the modification of words which are past some
  maximum sentence word-length limit.
class_docstr_tok: ["A","constraint","disallowing","the","modification","of","words","which","are","past","some","maximum","sentence","word-length","limit","."]
code: def extra_repr_keys(self):
      return ["max_length"]
  
imports: from textattack.constraints import PreTransformationConstraint
label_desc: Use image node_id 3 for calling the MaxWordIndexModification obj's underlying member method code with example usage: obj.extra_repr_keys() and returns: list