alpinegizmo opened a new pull request #14178: URL: https://github.com/apache/flink/pull/14178
## What is the purpose of the change When keyBy with strings and integers was deprecated, the training docs should have been changed to match. Fixing that now. This is a small change that only affects the docs. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org