[GitHub] [iceberg] Fokko commented on a diff in pull request #4728: Remove mypy error

[GitBox <gi...@apache.org>]

Fokko commented on code in PR #4728:
URL: https://github.com/apache/iceberg/pull/4728#discussion_r867672939


##########
python/src/iceberg/transforms.py:
##########
@@ -120,9 +120,6 @@ def hash(self, value: S) -> int:
         raise NotImplementedError()
 
     def apply(self, value: S) -> Optional[int]:
-        if value is None:

Review Comment:
   Since we have `S`, it can never be `None`, otherwise, the signature should be `Optional[S]`. If we want, we can still check if it `None`, `""` or `[]` using:
   ```python
   if not value:
   ```



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