correlated_fields.py: Disable via `0.` not `None`

12 jobs for nifty6_cf_wo_asperity in 11 minutes and 52 seconds (queued for 1 second)
Status Name Job ID Coverage
  Build Docker
passed build_docker_from_cache #1103362

00:00:17

 
  Test
passed test_mpi #1103364

00:00:33

passed test_serial #1103363

00:04:03

85.0%
 
  Demo Runs
passed run_bernoulli #1103371

00:00:32

passed run_curve_fitting #1103372

00:00:29

passed run_getting_started_1 #1103367

00:00:35

passed run_getting_started_2 #1103368

00:00:55

passed run_getting_started_3 #1103369

00:02:39

passed run_getting_started_mf #1103370

00:07:30

passed run_ipynb0 #1103365

00:01:29

passed run_ipynb1 #1103366

00:00:43

passed run_visual_mgvi #1103373

00:01:21