Remove old pythons

Author: honnibal

.github/workflows/tests.yml

@@ -21,12 +21,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python_version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
-        include:
-          - os: windows-2019
-            python_version: "3.6"
-          - os: ubuntu-20.04
-            python_version: "3.6"
+        python_version: ["3.9", "3.10", "3.11", "3.12"]
     runs-on: ${{ matrix.os }}
 
     steps: