make code compatible with old python versions #300
| Job | Run time |
|---|---|
| 1m 55s | |
| 6m 3s | |
| 11m 5s | |
| 4m 35s | |
| 11m 6s | |
| 1m 50s | |
| 2m 12s | |
| 4m 53s | |
| 8m 2s | |
| 4m 40s | |
| 7m 53s | |
| 8m 51s | |
| 4m 56s | |
| 2m 30s | |
| 1m 55s | |
| 2m 12s | |
| 1m 55s | |
| 1m 50s | |
| 7m 53s | |
| 8m 2s | |
| 2m 30s | |
| 1m 55s | |
| 8m 14s | |
| 4m 35s | |
| 4m 53s | |
| 11m 5s | |
| 6m 3s | |
| 4m 40s | |
| 4m 56s | |
| 8m 51s | |
| 2h 42m 0s |