make rrule return identical pullback for zero as for one
#2237
| Job | Run time |
|---|---|
| 51m 53s | |
| 40m 43s | |
| 32m 53s | |
| 24m 29s | |
| 2h 29m 58s |
rrule return identical pullback for zero as for one
#2237
| Job | Run time |
|---|---|
| 51m 53s | |
| 40m 43s | |
| 32m 53s | |
| 24m 29s | |
| 2h 29m 58s |