fix demo mangleing

9 jobs for mfcorrelatedfield_withzeromodeprior in 9 minutes and 52 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #747303
build_docker_from_cache

00:00:18

 
  Test
passed #747305
test_mpi

00:05:41

passed #747304
test_serial

00:05:46

80.0%
 
  Demo Runs
passed #747310
run_bernoulli

00:00:38

passed #747311
run_curve_fitting

00:00:35

passed #747307
run_getting_started_1

00:00:42

passed #747308
run_getting_started_2

00:02:01

passed #747309
run_getting_started_3

00:03:46

passed #747306
run_ipynb

00:02:04