change of syntax

pymc-labs · Aug 5, 2024 · 33995be · 33995be
1 parent 2ac3f8c
commit 33995be
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.github/workflows/uml.yml b/.github/workflows/uml.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
         with:
-          ref: ${GITHUB_HEAD_REF:-main}
+          ref: ${{ github.head_ref || 'main' }}
 
       - name: Set up Python
         uses: actions/setup-python@v2