message: ci: Enable python3 on macos
diff: @@ -28,8 +28,11 @@ brew install gcc
  echo "Installing blosc compression"
  brew install c-blosc
  +echo "Installing python3"
  +brew install python numpy
  +
  if [[ "$GH_YML_JOBNAME" =~ .*openmpi.* ]]
  then
  echo "Installing OpenMPI"
  - brew install openmpi
  + brew install openmpi mpi4py
  fi
  