Robert Bradshaw created BEAM-6729:
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             Summary: Detect and use PEP-3107 style type annotations for type 
hints.
                 Key: BEAM-6729
                 URL: https://issues.apache.org/jira/browse/BEAM-6729
             Project: Beam
          Issue Type: New Feature
          Components: sdk-py-core
            Reporter: Robert Bradshaw


This would allow python functions and DoFn process methods to be annotated in 
the standard way as per PEP-484 for construction time type checking. Eventually 
this could be theĀ preferred method for typing pipelines (though the typehints 
decorators may still be needed for composite transform hinting).



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