DEV-2542: Include newest pythons.

.gitlab-ci.yml

@@ -22,6 +22,7 @@ tox:
           - python3.9
           - python3.10
           - python3.11
+          - python3.12
   services:
     - name: docker.osdc.io/ncigdc/ci-postgres-13:${BASE_CONTAINER_VERSION}
       alias: postgres

.travis.yml

@@ -7,6 +7,8 @@ python:
   - 3.8
   - 3.9
   - 3.10
+  - 3.11
+  - 3.12
 
 addons:
   postgresql: '13'

src/psqlgraph/base.py

@@ -29,7 +29,7 @@ def __init_subclass__(cls) -> None:
         )
 
         for name, property in pg_properties:
-            h_prop = create_hybrid_property(name, property)
+            h_prop = _create_hybrid_property(name, property)
             setattr(cls, name, h_prop)
             cls.__pg_properties__[name] = property.__pg_types__
 
@@ -251,7 +251,7 @@ def get_pg_properties(cls):
         return cls.__pg_properties__
 
 
-def create_hybrid_property(name, fset):
+def _create_hybrid_property(name, fset):
     @hybrid_property
     def hybrid_prop(instance):
         # Note: this does not use an 'in' clause or a .get() with a

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,py38,py39,py310
+envlist = py3{7,8,9,10,11,12}
 skip_missing_interpreters = True
 
 [testenv]