zhengruifeng opened a new pull request, #40119: URL: https://github.com/apache/spark/pull/40119
### What changes were proposed in this pull request? Add Classifier.getNumClasses back ### Why are the changes needed? some libraries like xgboost4j happen to depend on this method, even though it is not a public API ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? update mima -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
