Use latest possible version of scikit-learn which supports Python 2
Because we have no choice and test do pass I merge right away.
https://nexedi.erp5.net/test_result_module/20181217-239F0A22/view
Because we have no choice and test do pass I merge right away.
https://nexedi.erp5.net/test_result_module/20181217-239F0A22/view
This will create a new commit in order to revert the existing changes.