Switch to just testing on py 3.6 for now.
@@ -8,7 +8,7 @@ jobs:
fail-fast: false
max-parallel: 3
matrix:
- python-version: [ '3.6', '3.7', '3.8' ]
+ python-version: [ '3.6' ]
name: Install and test
steps:
- name: Checkout sources
