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keyring drops py2 support so lets ensure our requirements wont allow us to install 19.X releases on py2. scikit-learn drops support for 3.4 or lower with release 0.21.0. Setting the minimum supported python for both to 3.4 to be consistent with u-c. When we remove the 3.4 constraints we'll also need to fix g-r Similarly sphinx 2.0.0 drop py27 support do express that in global-requirements. There isn't a need to update u-c as they're already correct: $ grep -E '^(Sphinx|keyring)' upper-constraints.txt keyring===18.0.1;python_version=='2.7' keyring===19.0.1;python_version=='3.4' keyring===19.0.1;python_version=='3.5' keyring===19.0.1;python_version=='3.6' Sphinx===1.8.5;python_version=='2.7' Sphinx===2.0.1;python_version=='3.4' Sphinx===2.0.1;python_version=='3.5' Sphinx===2.0.1;python_version=='3.6' This may cause knock-on effects for projects using either of these in lower-constraints, but that's less impactful than all the 'red' in the gate right now Also 'correct' the Sphinx requirement in test-requirements so we get the correct version when running under python2. We need to do this anyway as docs jobs typically run unconstrained Change-Id: If558f184c959e4b63b56dec3ca1571d1034cfe5c
Global Requirements and Constraints for OpenStack Projects
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