class_docstr: Transformation that simulate typos error to transform sentence.
  
  https://arxiv.org/pdf/1711.02173.pdf
class_docstr_tok: ["Transformation","that","simulate","typos","error","to","transform","sentence",".","https",":","\/\/arxiv.org\/pdf\/1711.02173.pdf"]
code: def mode(self):
      return self._mode
  
file_path: textflint/textflint/generation/transformation/UT/typos.py
imports: from ...transformation import WordSubstitute
  from ....common.utils.word_op import *
label_desc: Use image node_id 3 for calling the Typos obj's underlying member method code with example usage: obj.mode() and returns: self