message: Unlink Python2 for Python3 to be available through brew installation
diff: @@ -36,10 +36,13 @@ cache:
  - $HOME/.cache/pip
  - $HOME/Library/Caches/Homebrew
  +before_install:
  + - brew update && brew unlink python@2 && brew upgrade python
  +
  addons:
  homebrew:
  - update: true
  packages:
  + - python3
  - cmake
  - graphviz
  - doxygen
  @@ -49,7 +52,6 @@ addons:
  - mpfr
  - tbb
  - cgal
  - - python3
  before_cache:
  - rm -f $HOME/.cache/pip/log/debug.log
  