FIX: Contest export: Use correct field to get teacher OAuth id and teacher school id

6 jobs for deploy in 28 minutes and 19 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #2728
test

00:12:17

canceled #2725
test

00:00:11

 
  Build
passed #2729
build

00:12:10

canceled #2726
build

 
  Deploy
passed #2730
deploy

00:03:50

canceled #2727
deploy