simplify block_type type by constraining the type with as instead of
#421
| Job | Run time |
|---|---|
| 34m 8s | |
| 15m 21s | |
| 49m 29s |
as instead of
#421
| Job | Run time |
|---|---|
| 34m 8s | |
| 15m 21s | |
| 49m 29s |