Support Python 3.10, drop support of Python 3.5

.github/workflows/run_tests.yml

@@ -0,0 +1,26 @@
+name: Run tests
+
+on: [push, pull_request]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
+
+    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 poetry
+          poetry install
+      - name: Run Tests
+        run: poetry run python -m unittest discover pynames