async fn process_course_instance(
conn: &mut PgConnection,
course_instance: &CourseInstance,
now: DateTime<Utc>,
) -> Result<(i32, i32)>
async fn process_course_instance(
conn: &mut PgConnection,
course_instance: &CourseInstance,
now: DateTime<Utc>,
) -> Result<(i32, i32)>