travis: brew's Python3 is now called just 'python'

https://discourse.brew.sh/t/brew-install-python3-fails/1756

diff --git a/.travis.yml b/.travis.yml
index 87adfa86e585268fe71959376cfbb541b6d0b935..572905e19ab380a8277627d8992d1cf66f8f61ac 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,7 +57,8 @@ install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
       set -x;
       brew update > /dev/null;
-      brew install dash bash python3 gradle jenv;
+      brew upgrade python;
+      brew install dash bash gradle jenv;
       brew install gnu-sed --with-default-names;
       if ! ruby -e 'v = `javac -version 2>&1`.split()[1].gsub("_", "."); exit Gem::Dependency.new("", "~> 1.8.0.131").match?("", v)'; then
         brew cask uninstall java --force;