avoid error when coro.cr_frame is None
#7414
| Job | Run time |
|---|---|
| 35s | |
| 31s | |
| 36s | |
| 30s | |
| 2m 34s | |
| 5m 10s | |
| 33s | |
| 3m 11s | |
| 2m 36s | |
| 1m 58s | |
| 4m 10s | |
| 2m 6s | |
| 2m 25s | |
| 2m 28s | |
| 2m 26s | |
| 2m 7s | |
| 2m 15s | |
| 2m 44s | |
| 1m 17s | |
| 2m 4s | |
| 4m 43s | |
| 2m 13s | |
| 4m 23s | |
| 2m 14s | |
| 3m 25s | |
| 3m 9s | |
| 7m 24s | |
| 2m 56s | |
| 3m 18s | |
| 4m 53s | |
| 4m 14s | |
| 3m 15s | |
| 4m 39s | |
| 4m 10s | |
| 5m 55s | |
| 4m 14s | |
| 3m 35s | |
| 5s | |
| 1h 51m 1s |