Hack around missing pytorch 1.13.1 binaries for py3.11 on mac (#1966)

Summary:
This fix is needed to avoid errors in the CI

Pull Request resolved: #1966

Reviewed By: saitcakmak

Differential Revision: D47978234

Pulled By: Balandat

fbshipit-source-id: c5024a36ce8a0952debdea4aa1cbc3ffb925031d

.github/workflows/test_stable.yml

@@ -70,10 +70,15 @@ jobs:
  with:
  python-version: ${{ matrix.python-version }}
  - name: Install dependencies
+ env:
+ PYTHON_VERSION: ${{ matrix.python-version }}
+ OS: ${{ matrix.os }}
  run: |
  python setup.py egg_info
  req_txt="botorch.egg-info/requires.txt"
  min_torch_version=$(grep '\btorch[>=]=' ${req_txt} | sed 's/[^0-9.]//g')
+ # HACK around the fact that pytorch does not offer a mac binary for 1.13.1 for py3.11 - TODO: Remove when bumping torch to 2.0.1
+ min_torch_version=$(if [[ "${min_torch_version}"=="1.13.1" ]] && [[ "${PYTHON_VERSION}"=="3.11" ]] && [[ "${OS}"=="macos-latest" ]]; then echo "2.0.1"; else echo "${min_torch_version}"; fi)
  min_gpytorch_version=$(grep '\bgpytorch[>=]=' ${req_txt} | sed 's/[^0-9.]//g')
  min_linear_operator_version=$(grep '\blinear_operator[>=]=' ${req_txt} | sed 's/[^0-9.]//g')
  pip install "torch==${min_torch_version}" "gpytorch==${min_gpytorch_version}" "linear_operator==${min_linear_operator_version}"