fix syntax error?

.github/workflows/pypi.yml

@@ -70,18 +70,21 @@ jobs:
   upload_pypi:
     needs: [build_wheels, build_sdist]
     runs-on: ubuntu-latest
-    # upload to PyPI on every tag starting with 'v'
-    # if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
-    # alternatively, to publish when a GitHub Release is created, use the following rule:
+    environment: pypi
+      # upload to PyPI on every tag starting with 'v'
+      # if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
+      # alternatively, to publish when a GitHub Release is created, use the following rule:
     if: github.event_name == 'release' && github.event.action == 'published'
     steps:
-      - uses: actions/download-artifact@v4
-      with:
-        # unpacks all CIBW artifacts into dist/
-        pattern: cibw-*
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          # unpacks all CIBW artifacts into dist/
+          pattern: cibw-*
         path: dist
         merge-multiple: true
-      - uses: pypa/gh-action-pypi-publish@release/v1
+      - name: Upload release to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
         with:
           user: __token__
           password: ${{ secrets.pypitoken }}