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https://issues.apache.org/jira/browse/BEAM-8466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16958114#comment-16958114
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Udi Meiri commented on BEAM-8466:
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Idea: record the provenance of type hints as tracing back to a decorator vs
function annotation. Also record the PTransform label.
Also record the provenance of a coder as tracing back to a type hint, so that
if a hint doesn't match the element we can say where it came from.
> Python typehints: pep 484 warn and strict modes
> -----------------------------------------------
>
> Key: BEAM-8466
> URL: https://issues.apache.org/jira/browse/BEAM-8466
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Udi Meiri
> Assignee: Udi Meiri
> Priority: Major
>
> Allow type checking to use PEP 484 type hints, but only warn if there are
> errors, and in another mode to raise exceptions on errors.
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