add tox.ini and github workflow

.github/workflows/python_package.yml

@@ -0,0 +1,28 @@
+name: Python package
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: [3.10, 3.11]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install tox
+
+      - name: Run tests
+        run: tox

tox.ini

@@ -0,0 +1,8 @@
+[tox]
+envlist = py310, py311
+
+[testenv]
+deps = 
+    pytest
+commands = 
+    pytest