fix

Author: corona10

.github/workflows/build.yml

@@ -52,6 +52,9 @@ jobs:
     if: needs.check_source.outputs.run_tests == 'true'
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
       - name: Runner image version
         run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
       - name: Check Autoconf and aclocal versions