satisfy pylint double blank line

Author: visokoo

students/visokoo/lesson02/assignment/src/charges_calc.py

@@ -120,6 +120,7 @@ def save_to_json(filename, data):
     with open(filename, 'w') as file:
         json.dump(data, file)
 
+
 if __name__ == "__main__":
     ARGS = parse_cmd_arguments()
     LOGGER = init_logging(ARGS.debug)