Travis: Update Python versions on macOS
Before this commit Travis would report a missing Python 3 executable in
the configuration step on macOS:
python3: command not found
.
@@ -111,8 +111,8 @@ before_install:
brew install libuv
brew install lua
brew install openssl
- brew install python
- brew install python3
+ brew install python@2; brew link --overwrite python@2
+ brew install python || brew upgrade python
# Since Qt 5.10.1 GCC is unable to compile the Qt-GUI under macOS printing the following error message:
# 'init_priority' attribute is not supported on this platform
brew install qt@5.5
