build: run python tests in GitHub Actions (#151)

.github/workflows/ci.yml

@@ -28,6 +28,22 @@ jobs:
     - uses: dtolnay/rust-toolchain@stable
     - run: cargo test --release --no-fail-fast
 
+  pumpkin-py:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.x
+      - name: Install pytest
+        run: pip install pytest
+      - name: Install pumpkin-py
+        run: pip install -e .
+        working-directory: pumpkin-py
+      - name: Run tests
+        run: pytest
+        working-directory: pumpkin-py
+
   docs:
     name: Documentation
     runs-on: ubuntu-latest