not py310 yet

Author: ocefpaf

.github/workflows/test_code.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.6", "3.10"]
+        python-version: ["3.6", "3.9"]
       fail-fast: false
 
     steps: