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Posted to issues@beam.apache.org by "Robert Bradshaw (Jira)" <ji...@apache.org> on 2019/09/23 17:49:00 UTC

[jira] [Created] (BEAM-8301) Argument inference breaks on incomparable types as defaults.

Robert Bradshaw created BEAM-8301:
-------------------------------------

             Summary: Argument inference breaks on incomparable types as defaults.
                 Key: BEAM-8301
                 URL: https://issues.apache.org/jira/browse/BEAM-8301
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core
    Affects Versions: 2.16.0
            Reporter: Robert Bradshaw
             Fix For: 2.16.0


A common culprit is numpy arrays, e.g.

{code:python}
class MyDoFn(beam.DoFn):
  def process(element, arg=np.ndarray(...)):
    ... 

{code}

This bug was introduced as part of [BEAM-7060].



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