Back down to Python 3.11 and run pipx with a flag

.github/workflows/wheels.yml

@@ -44,8 +44,8 @@ jobs:
         # TODO(lanctot): Set this to macos-13 once these runnings are no longer in beta        
         - os: macos-13-xlarge
           OS_TYPE: "Darwin"
-          CI_PYBIN: python3.12
-          OS_PYTHON_VERSION: 3.12
+          CI_PYBIN: python3.11
+          OS_PYTHON_VERSION: 3.11
           CIBW_ENVIRONMENT: "OPEN_SPIEL_BUILDING_WHEEL='ON' OPEN_SPIEL_BUILD_WITH_ACPC='ON' OPEN_SPIEL_BUILD_WITH_HANABI='ON' OPEN_SPIEL_BUILD_WITH_ROSHAMBO='ON'"
           CIBW_BUILD: cp39-macosx_arm64 cp310-macosx_arm64 cp311-macosx_arm64 cp312-macosx_arm64
     env:
@@ -71,6 +71,7 @@ jobs:
         run: |
           pwd
           uname -a
+          [[ "${OS_TYPE}" = "Darwin" ]] && brew install pipx
           [[ "${OS_TYPE}" = "Darwin" ]] && brew install python@${OS_PYTHON_VERSION}
           [[ "${OS_TYPE}" = "Darwin" ]] && brew link --force python@${OS_PYTHON_VERSION}
           which g++
@@ -93,8 +94,7 @@ jobs:
           ${CI_PYBIN} -m pip install cibuildwheel==2.16.2
       - name: Build sdist
         run: |
-          [[ "${OS_TYPE}" = "Darwin" ]] && brew install pipx
-          pipx run build --sdist
+          pipx run build --sdist --python python${OS_PYTHON_VERSION}
           twine check dist/*.tar.gz
 
       # Build all the wheels and run the basic tests (within the docker images)

open_spiel/scripts/test_wheel.sh

@@ -67,7 +67,7 @@ if [[ "$MODE" = "full" ]]; then
   elif [[ "$OS" = "Darwn" && "$OS_PYTHON_VERSION" = "3.9" ]]; then
     ${PYBIN} -m pip install wheelhouse/open_spiel-*-cp39-cp39-macosx_10_9_x86_64.whl
   else
-    ${PYBIN} -m pip install wheelhouse/open_spiel-*-cp312-cp312-macosx_13_6_arm64.whl
+    ${PYBIN} -m pip install wheelhouse/open_spiel-*-cp311-cp311-macosx_13_6_arm64.whl
   fi
 fi