🐛 check for None before setting n_jobs to nb logical CPUs
#507
| Job | Run time |
|---|---|
| 3m 12s | |
| 3m 7s | |
| 2m 43s | |
| 2m 22s | |
| 2m 42s | |
| 7m 9s | |
| 1m 57s | |
| 3m 15s | |
| 3m 30s | |
| 1m 8s | |
| 1m 19s | |
| 3m 31s | |
| 3m 7s | |
| 1m 41s | |
| 1m 53s | |
| 1m 46s | |
| 2m 8s | |
| 46m 30s |