Create py33.yml

.github/workflows/py33.yml

@@ -0,0 +1,22 @@
+on:
+  push:
+  pull_request:
+
+jobs:
+  oldpython3:
+    # ubuntu-20+ doesnt support Python 3.3 or 3.4
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        python-version: [3.3, 3.4]
+    name: oldpython3
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: python -m pip install tox==2.9.1 virtualenv==15.2.0
+      - run: tox -e py33
+        if: ${{ matrix.python-version == '3.3' }}
+      - run: tox -e py34
+        if: ${{ matrix.python-version == '3.4' }}