fix: DatetimeField use __year report 'int' object has no attribute 'utcoffset'
#1238
| Job | Run time |
|---|---|
| 7m 22s | |
| 7m 34s | |
| 8m 3s | |
| 7m 41s | |
| 10m 41s | |
| 6s | |
| 41m 27s |