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Kenneth Knowles updated BEAM-8520: ---------------------------------- Priority: Major (was: Minor) > Expansion of _CombinePerKeyWithHotKeyFanout has no typehints > ------------------------------------------------------------ > > Key: BEAM-8520 > URL: https://issues.apache.org/jira/browse/BEAM-8520 > Project: Beam > Issue Type: Bug > Components: sdk-py-core > Reporter: Yifan Mai > Priority: Major > > The expansion of > [_CombinePerKeyWithHotKeyFanout|https://github.com/apache/beam/blob/bd09a038f4df896ef6d903a4944083fcd2e8f727/sdks/python/apache_beam/transforms/core.py#L1913], > which is used by > [CombinePerKey.with_hot_key_fanout()|https://github.com/apache/beam/blob/bd09a038f4df896ef6d903a4944083fcd2e8f727/sdks/python/apache_beam/transforms/core.py#L1734], > uses DoFns (SplitHotCold) and CombineFns (PreCombineFn, PostCombineFn) and a > lambda (SplitNonce) that have no typehints. If the user specified a typehints > on the original CombineFn, the typehints are lost. This means that the > fallback coder rather than the user specified coder. -- This message was sent by Atlassian Jira (v8.3.4#803005)