diff --git a/.github/workflows/autoblack_push.yml b/.github/workflows/autoblack_push.yml
new file mode 100644
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--- /dev/null
+++ b/.github/workflows/autoblack_push.yml
@@ -0,0 +1,26 @@
+# GitHub Action that uses Black to reformat Python code (if needed) when doing a git push.
+# If all Python code in the repo is complient with Black then this Action does nothing.
+# Otherwise, Black is run and its changes are committed to the repo.
+# https://github.com/cclauss/autoblack
+
+name: autoblack_push
+on: [push]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:  # https://github.com/stefanzweifel/git-auto-commit-action#checkout-the-correct-branch
+            ref: ${{ github.head_ref }}
+      - uses: actions/setup-python@v1
+      - run: pip install black
+      - run: black --check .
+      - name: If needed, commit black changes to a new pull request
+        if: failure()
+        run: |
+          black .
+          git config --global user.name github-actions
+          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'          
+          # git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
+          git commit -am "fixup! Format Python code with psf/black push"
+          git push  # --force origin HEAD:$GITHUB_REF