There are a handful of bugs with the interactive examples on the Beam docs page
https://beam.apache.org/documentation/transforms/python/elementwise/flatmap/#example-3-flatmap-without-a-function https://beam.apache.org/documentation/transforms/python/elementwise/map/ (example 8) I wonder if it might be worthwhile to add website/playground validation to the Release Validation process? Not sure how onerous this would be. A new team I introduced to Beam noted that the unreliable examples was a pain point for them. Cheers, Joey