Ever run a long GridSearchCV and had no idea if it was doing anything? sklearn 1.9 adds a callback API. Attach a ProgressBar or ScoringMonitor — and watch it work, iteration by iteration. @scikit-learn.org
7. Callbacks
This guide demonstrates how to use scikit-learn’s callbacks on compatible estimators. For information about how to implement the callback API, you can refer to the following sections of the develop...
scikit-learn.org