re add install action

.github/workflows/build.yml

@@ -21,20 +21,19 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python_version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-        # pants_python_version: [3.11]
+        python: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: ["ubuntu-latest"]
     steps:
       - name: Clone repo
         uses: actions/checkout@v3
-      # - name: setup python
-      #   uses: actions/setup-python@v4
-      #   with:
-      #     python-version: ${{ matrix.python_version }}
+      - name: setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}
       - name: Initialize Pants
         uses: pantsbuild/actions/init-pants@main
         with:
-          gha-cache-key: cache0-py${{ matrix.python_version }}
+          gha-cache-key: cache0-py${{ matrix.python }}
           named-caches-hash: ${{ hashFiles('requirements.txt') }}
       - name: Check BUILD files
         run: |