looking for minimal version of python available

Author: stonebig

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.4, 3.7]
+        python-version: [2.7, 3.5, 3.7]
 
     steps:
     - uses: actions/checkout@v2