fix remaining demos

8 jobs for do_cleanup in 8 minutes and 42 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build Docker
passed #978488
build_docker_from_cache

00:00:22

 
  Test
passed #978489
test_serial

00:06:30

83.0%
 
  Demo Runs
passed #978494
run_bernoulli

00:00:39

passed #978495
run_curve_fitting

00:00:46

passed #978491
run_getting_started_1

00:00:43

passed #978492
run_getting_started_2

00:01:06

passed #978493
run_getting_started_3

00:01:48

passed #978490
run_ipynb

00:01:41