old_contents: 
  __version__ = '0.3'
  
  import re
  
  import pep8
  
  NOTE_REGEX = re.compile(r'(TODO|FIXME)')  # noqa
  
  
  def check_todo_notes(physical_line):
      if pep8.noqa(physical_line):
          return
      match = NOTE_REGEX.search(physical_line)
      if match:
          return match.start(), 'T000 Todo note found.'
  
  
  check_todo_notes.name = name = 'flake8-todo'
  check_todo_notes.version = __version__
  
new_contents: 
  __version__ = '0.3'
  
  import re
  
  import pep8
  
  NOTE_REGEX = re.compile(r'(TODO|FIXME|XXX)')  # noqa
  
  
  def check_todo_notes(physical_line):
      if pep8.noqa(physical_line):
          return
      match = NOTE_REGEX.search(physical_line)
      if match:
          return match.start(), 'T000 Todo note found.'
  
  
  check_todo_notes.name = name = 'flake8-todo'
  check_todo_notes.version = __version__
  
subject: Add XXX