checker: fix json.encode_pretty for struct expressions
#7998
| Job | Run time |
|---|---|
| 2h 39m 8s | |
| 2h 8m 31s | |
| 3m 51s | |
| 1h 2m 38s | |
| 1h 36m 37s | |
| 3h 25m 57s | |
| 10h 56m 42s |
json.encode_pretty for struct expressions
#7998
| Job | Run time |
|---|---|
| 2h 39m 8s | |
| 2h 8m 31s | |
| 3m 51s | |
| 1h 2m 38s | |
| 1h 36m 37s | |
| 3h 25m 57s | |
| 10h 56m 42s |