gh-151039: Fix a crash when _datetimetypes outlive _datetime module
#195675
| Job | Run time |
|---|---|
| 12s | |
| 25s | |
| 4m 19s | |
| 9m 23s | |
| 18m 16s | |
| 17m 2s | |
| 13m 53s | |
| 4m 29s | |
| 4m 19s | |
| -1s | |
| 11s | |
| 2m 48s | |
| 2m 45s | |
| 2m 58s | |
| 2m 44s | |
| 3m 3s | |
| 3m 5s | |
| 2m 39s | |
| 2m 38s | |
| 5m 13s | |
| 19m 14s | |
| 19m 28s | |
| 25m 56s | |
| 16m 53s | |
| 11m 49s | |
| 11m 56s | |
| 13m 10s | |
| 27m 14s | |
| 13m 26s | |
| 13m 25s | |
| 10m 59s | |
| 16m 58s | |
| 19m 4s | |
| 23m 49s | |
| 20m 12s | |
| 21m 32s | |
| 23m 42s | |
| 20m 20s | |
| 13m 11s | |
| 16m 14s | |
| 13m 33s | |
| 14m 16s | |
| 7m 50s | |
| 1m 54s | |
| 2m 14s | |
| 2m 8s | |
| 2s | |
| 8h 20m 50s |