Replace Optional[T] and Union[T, None] with T | None
#1380
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| 58s | |
| 1m 21s | |
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| 1m 30s | |
| 1m 35s | |
| 3m 23s | |
| 59s | |
| 1m 21s | |
| 3m 5s | |
| 1m 2s | |
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| 3m 3s | |
| 28m 7s |