message: Move off the Xcode 9.3 beta image on Travis C
  We suggest you use the real image with Xcode 9.3 GM i.e. `osx_image: xcode9.3`
diff: @@ -13,10 +13,10 @@ matrix:
  language: python
  python: "3.6"
  - os: osx
  - osx_image: xcode9.3beta
  + osx_image: xcode9.3
  env: PYTHON_VERSION=python2
  - os: osx
  - osx_image: xcode9.3beta
  + osx_image: xcode9.3
  env: PYTHON_VERSION=python3
  - os: linux
  sudo: required
  @@ -29,10 +29,10 @@ matrix:
  language: python
  python: "3.6"
  - os: osx
  - osx_image: xcode9.3beta
  + osx_image: xcode9.3
  env: PYTHON_VERSION=python2 ONNX_ML=1
  - os: osx
  - osx_image: xcode9.3beta
  + osx_image: xcode9.3
  env: PYTHON_VERSION=python3 ONNX_ML=1
  env:
  