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We just disabled warnings on travis in #9840.
I don't think we should do that. I've been a bit absent lately, but I think the current state of the warnings is pretty bad. Many of these seem recent changes that require cleanup.
- catch and ignore all
ConvergenceWarnings raised insklearn.utils.estimator_checksdone in [MRG+2] catch more expected warnings in common tests #11151. - catch deprecations of min_impurity_split in tree and tree ensembles, make sure it's not used anywhere else.
- catch deprecations of random_state in SVC tests, make sure it's not used anywhere else.