3.9 is minimum python

Author: BerndSchuller

.github/workflows/unit-test.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ["3.7", "3.x"]
+        python-version: ["3.9", "3.x"]
 
     steps:
     - uses: actions/checkout@v3