ibzib opened a new pull request #11595: URL: https://github.com/apache/beam/pull/11595
I refactored a bit first because there were so many nested `for` and `try` blocks it hurt my eyes, in addition to unnecessary abstraction. Probably we should consider fixing up Spark Python validates runner and making it a precommit, so we catch things like this in the future. I don't think it's too expensive. ------------------------ Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily: - [ ] [**Choose reviewer(s)**](https://beam.apache.org/contribute/#make-your-change) and mention them in a comment (`R: @username`). - [ ] Format the pull request title like `[BEAM-XXX] Fixes bug in ApproximateQuantiles`, where you replace `BEAM-XXX` with the appropriate JIRA issue, if applicable. 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