class_docstr: Base class for formatting the output of dependency parser and morphotagger
class_docstr_tok: ["Base","class","for","formatting","the","output","of","dependency","parser","and","morphotagger"]
code: def prettify(
      self, tokens: List[str], heads: List[int], deps: List[str]
  ) -> Union[List[str], str]:
      raise NotImplementedError
  
file_path: DeepPavlov/deeppavlov/models/morpho_syntax_parser/syntax_parsing.py
imports: from typing import List, Optional, Tuple, Union
  from deeppavlov.core.common.registry import register
  from deeppavlov.core.models.component import Component
label_desc: Use image node_id 2 for calling the OutputPrettifier obj's underlying member method code with example usage: obj.prettify(tokens, heads, deps) without return types