CI set up

.github/workflows/CI.yml

@@ -0,0 +1,29 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: true
+      matrix:
+        os: ["ubuntu-latest", "macos-latest"]
+        python-version: ["3.5", "3.6", "3.7", "3.8", "3.9"]
+
+    steps:
+      - name: Checkout source
+        uses: actions/checkout@v2
+
+      - name: Setup python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+          architecture: x64
+
+      - name: Install
+        run: |
+          pip install -e .
+          pip install pytest
+      - name: Run tests
+        run: pytest