alex4adeo opened a new issue, #22411:
URL: https://github.com/apache/beam/issues/22411
### What would you like to happen?
When using `.side_inputs(...)` in a ParDo with a DoFn using process_batch,
we get :
`DoFn <__main__....> has unsupported process_batch method parameter
SideInputParam`
Why can't we get access to the sideinput from inside the process_batch
function ?
in sdks/python/apache_beam/runners/common.py
in _validate_process_batch
# Fallback to catch anything not explicitly supported
if not d in (core.DoFn.WindowParam,
core.DoFn.TimestampParam,
core.DoFn.PaneInfoParam):
raise ValueError(
f"DoFn {self.do_fn!r} has unsupported process_batch "
f"method parameter {d}")
### Issue Priority
Priority: 2
### Issue Component
Component: sdk-py-core
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