class_docstr: A document parser parsed html file and conduct spelling check
  and grammar check.
class_docstr_tok: ["A","document","parser","parsed","html","file","and","conduct","spelling","check","and","grammar","check","."]
docstr: Check the grammar of the specified file
  
  Parameters
  -----------
  file_name: name of the file to be checked
docstr_tok: ["Check","the","grammar","of","the","specified","file","Parameters","--","--","--","--","--","-","file_name",":","name","of","the","file","to","be","checked"]
code: def check_grammar(self, file_name):
      """Check the grammar of the specified file
  
      Parameters
      -----------
      file_name: name of the file to be checked
      """
      file_content = html2text.html2text(open(file_name).read())
      file_content = re.sub(
          "[\x00-\x08\x0b-\x0c\x0e-\x1f]+", "", file_content
      )
      self.__grammar_check_res = self.__grammar_checker.check(
          file_content
      )
  
file_path: mxnet/tests/nightly/TestDoc/doc_spell_checker.py
imports: from __future__ import print_function
  import os
  import sys
  import re
  from HTMLParser import HTMLParser
  import enchant
  from enchant.checker import SpellChecker
  import grammar_check
  import html2text
label_desc: Use image node_id 7 for calling the DocParser obj's underlying member method code with example usage: obj.check_grammar(file_name) without return types