Robert Bradshaw created BEAM-8301:
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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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