scikit-learn/scikit-learn — comment on commit fdc8044246e2a93b2301f2c279f665e2f7b34860
File:  line 0
By mblondel:

I believe the overhead of calling each of them separately is not big, even with millions of examples but I'm fine with keeping it public if you prefer.

The recent PR introduced a new parameter `average="weighted"` to `precision_recall_fscore_support`. You need to change it to `None` by default if you want the old behavior.