docs: Fix and improve alt.Optional doc
#3449
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Fixes an issue identified in vega#3431 (comment) and addresses `typing.Optional`
dangotbanned
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Jun 28, 2024
dangotbanned
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Jun 28, 2024
dangotbanned
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The user will see this message ``` altair\utils\data.py:17:5: TID251 `typing.Optional` is banned: Use `Union[T, None]` instead. `typing.Optional` is likely to be confused with `altair.Optional`, which have similar but different semantic meaning. See vega#3449 Found 1 error. ``` Partial fix for vega#3452 (comment)
binste
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Jul 3, 2024
* feat(typing): Ban `typing.Optional` import using `ruff` The user will see this message ``` altair\utils\data.py:17:5: TID251 `typing.Optional` is banned: Use `Union[T, None]` instead. `typing.Optional` is likely to be confused with `altair.Optional`, which have similar but different semantic meaning. See #3449 Found 1 error. ``` Partial fix for #3452 (comment) * fix: typo in message
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Fixes an issue identified in #3431 (comment) and addresses
typing.OptionalThis is a follow-up PR to #3431, following @binste comment