Use GitHub actions for python

.github/workflows/python.yml

@@ -0,0 +1,25 @@
+name: Python package
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install '.[tests]'
+    - name: Test with pytest
+      run: |
+        pytest

pyproject.toml

@@ -26,6 +26,13 @@ classifiers = [
   'Topic :: Scientific/Engineering :: Bio-Informatics',
 ]
 [tool.flit.metadata.requires-extra]
+tests = [
+  'pytest',
+  'hypothesis',
+  'pytest-cov',
+  'coveralls',
+  'attrs',
+]
 docs = [
   'sphinxcontrib-programoutput',
   'sphinx_rtd_theme',