sage.rings: Modularization fixes
#5515
| Job | Run time |
|---|---|
| 1h 0m 42s | |
| 1h 0m 42s | |
| 1h 0m 53s | |
| 1h 0m 53s | |
| 1h 2m 15s | |
| 1h 2m 15s | |
| 25m 3s | |
| 1h 29m 52s | |
| 41m 25s | |
| 1h 21m 52s | |
| 32m 20s | |
| 1h 35m 42s | |
| 12h 13m 54s |