Test sdist (#1297)

.github/workflows/python-distributions.yml

@@ -58,6 +58,26 @@ jobs:
         with:
           path: ./dist/*.tar.gz
 
+  test-sdist:
+    needs:
+      - build-sdist
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v5
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install twine
+      - name: Download sdist
+        uses: actions/download-artifact@v2
+        with:
+          name: artifact
+          path: dist
+      - name: Test sdist
+        run: twine check dist/*
+      - name: Test installation from sdist
+        run: pip install dist/*.tar.gz
+
   publish:
     runs-on: ubuntu-latest
     needs: