add python3-venv so that virtual environment work can be done #401
| Job | Run time |
|---|---|
| 7m 3s | |
| 1m 41s | |
| 2m 21s | |
| 2m 12s | |
| 6m 35s | |
| 2m 4s | |
| 2m 53s | |
| 4m 19s | |
| 9m 49s | |
| 6m 29s | |
| 2m 34s | |
| 2m 39s | |
| 1h 3m 13s | |
| 3m 24s | |
| 7m 44s | |
| 21m 1s | |
| 16m 40s | |
| 5m 14s | |
| 7m 17s | |
| 15m 16s | |
| 56m 30s | |
| 59m 13s | |
| 59m 4s | |
| 6h 5m 15s |