Merge branch 'master' into stickersbeter

Author: meneerhenk

.github/workflows/python-app.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ 3.8 ]
+        python-version: [ 3.6 ]
     continue-on-error: false
 
     steps: