Github user BryanCutler commented on the pull request:
https://github.com/apache/spark/pull/11906#issuecomment-205537342
> How did you uncover this issue in the first place? The code you used then
should be usable to create a unit test for this.
I tried to explain in the JIRA, but I probably should have done so here
also..
For SPARK-13967, I was adding a binary flag `Param` to the
`CountVectorizerModel` and when the model is created from the estimator, this
problem comes up and an exception is raised.
As far as I can tell, this is only a problem when a `Param` is defined in
the PySpark model only and it is created by an JavaWrapper estimator. I don't
see that happening anywhere currently, so I haven't come up with a unit test.
I could maybe include a temporary version of the `CountVectorizerModel` that I
was working on, just for testing purposes until I do a PR for SPARK-13967,
would that be ok?
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