travis: bump MacPython version
In particular, Python 3.7.4 ships with OpenSSL 1.1.1 and addresses
CVE-2019-9740. Those two changes caused bugs in our test suite (but
they're already fixed as we've seen them in Windows too.)
@@ -25,10 +25,10 @@ install_mac_python() {
if [[ "$(uname -s)" == 'Darwin' ]]; then
# Mac OS setup.
case "${NOX_SESSION}" in
- test-2.7) MACPYTHON=2.7.15 ;;
- test-3.5) MACPYTHON=3.5.4 ;;
- test-3.6) MACPYTHON=3.6.7 ;;
- test-3.7) MACPYTHON=3.7.1 ;;
+ test-2.7) MACPYTHON=2.7.16 ;;
+ test-3.5) MACPYTHON=3.5.4 ;; # last binary release
+ test-3.6) MACPYTHON=3.6.8 ;; # last binary release
+ test-3.7) MACPYTHON=3.7.4 ;;
esac
# Install additional versions as needed.
