How to use the mutmut.cache.MiscData function in mutmut

v = MiscData.get(key='version')
                        if v is None:
                            existing_db_version = 1
                        else:
                            existing_db_version = int(v.value)
                    except (RowNotFound, ERDiagramError, OperationalError):
                        existing_db_version = 1

                if existing_db_version != current_db_version:
                    print('mutmut cache is out of date, clearing it...')
                    db.drop_all_tables(with_all_data=True)
                    db.schema = None  # Pony otherwise thinks we've already created the tables
                    db.generate_mapping(create_tables=True)

            with db_session:
                v = get_or_create(MiscData, key='version')
                v.value = str(current_db_version)

        return f(*args, **kwargs)
    return wrapper

def set_cached_test_time(baseline_time_elapsed, current_hash_of_tests):
    get_or_create(MiscData, key='baseline_time_elapsed').value = str(baseline_time_elapsed)
    get_or_create(MiscData, key='hash_of_tests').value = current_hash_of_tests

def set_cached_test_time(baseline_time_elapsed, current_hash_of_tests):
    get_or_create(MiscData, key='baseline_time_elapsed').value = str(baseline_time_elapsed)
    get_or_create(MiscData, key='hash_of_tests').value = current_hash_of_tests