old_contents: __app_name__ = 'airbrake-flask'
  __version__ = '1.0.3'
  __app_url__ = 'https://github.com/kienpham2000/airbrake-flask'
  
new_contents: __app_name__ = 'airbrake-flask'
  __version__ = '1.0.4'
  __app_url__ = 'https://github.com/kienpham2000/airbrake-flask'
  
subject: bump up version to fix python 3