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https://issues.apache.org/jira/browse/BEAM-10833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218412#comment-17218412
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Beam JIRA Bot commented on BEAM-10833:
--------------------------------------
This issue was marked "stale-assigned" and has not received a public comment in
7 days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> Error inferring type of tuple output
> ------------------------------------
>
> Key: BEAM-10833
> URL: https://issues.apache.org/jira/browse/BEAM-10833
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Priority: P1
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> {code:python}
> with beam.Pipeline() as p:
> class Foo(beam.DoFn):
> def process(self, element):
> k, v = element
> yield (k, {k:v})
> a = [('a',1), ('a',1), ('b',1)]
> input = p | beam.Create(a)
> print(input.element_type) # ok
> pcoll = input | beam.ParDo(Foo())
> print(pcoll.element_type) # claims Tuple[int, Dict[Any, Any]]
> # BOOM on run due to coder errors
> {code}
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