message: Replace errorhandler value to constant
diff: @@ -15,7 +15,7 @@ def catch_all(path):
  return send_from_directory(app.static_folder, file_to_serve)
  # Error Handler
  -@app.errorhandler(404)
  +@app.errorhandler(CONSTANTS['HTTP_STATUS']['404_NOT_FOUND'])
  def page_not_found(error):
  json_response = jsonify({'error': 'Page not found'})
  return make_response(json_response, CONSTANTS['HTTP_STATUS']['404_NOT_FOUND'])
  