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Allows Optional lists with unique_items check #4568

Merged
merged 1 commit into from Oct 17, 2022
Merged

Allows Optional lists with unique_items check #4568

merged 1 commit into from Oct 17, 2022

Commits on Sep 26, 2022

  1. Allows Optional lists with unique_items check 

    When using `unique_items` with an `Optional[List[T]]` field, the field
validator would raise the following error if the field was not provided:
> `'NoneType' object is not iterable (type=type_error)`

Updating the validator to return `None` in these cases avoids the issue.

Fixes pydantic#3957, pydantic#4050, pydantic#4119
    @mfulgo
    mfulgo committed Sep 26, 2022
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