remove print() statements and fix logging usage
#884
| Job | Run time |
|---|---|
| 22m 29s | |
| 25m 39s | |
| 30m 30s | |
| 22m 33s | |
| 19m 57s | |
| 25m 7s | |
| 20m 52s | |
| 17m 56s | |
| 24m 18s | |
| 21m 17s | |
| 20m 6s | |
| 24m 45s | |
| 23m 46s | |
| 18m 55s | |
| 5h 18m 10s |