Migrate from Travis

.github/workflows/python-tests.yml

@@ -0,0 +1,32 @@
+---
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+jobs:
+  tests:
+    name: Tests on ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["2.7", "3.6", "3.7", "3.8", "3.9", "3.10", "pypy3"]
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip setuptools wheel poetry
+          poetry install
+      - name: Do tests
+        run: |
+          poetry run pytest --cov descript
+