🐛 check for None before setting n_jobs to nb logical CPUs
#510
| Job | Run time |
|---|---|
| 4m 16s | |
| 3m 55s | |
| 3m 31s | |
| 3m 8s | |
| 4m 44s | |
| 6m 26s | |
| 2m 47s | |
| 1m 36s | |
| 1m 33s | |
| 1m 10s | |
| 1m 47s | |
| 2m 36s | |
| 2m 2s | |
| 2m 48s | |
| 3m 24s | |
| 2m 51s | |
| 3m 16s | |
| 51m 50s |