mypy compliance

.github/workflows/push-pull.yml

@@ -19,3 +19,34 @@ jobs:
       alternate-tests-env-files: .ci_support/lower_bound.yml
       alternate-tests-python-version: '3.10'
       alternate-tests-dir: tests/unit
+
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          architecture: x64
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install mypy
+        run: pip install mypy
+      - name: Test
+        run: mypy --ignore-missing-imports ${{ github.event.repository.name }}
+
+  ruff-check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v1
+        with:
+          args: check
+
+  ruff-sort-imports:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/ruff-action@v1
+        with:
+          args: check --select I --fix --diff