adds testing for 3.12, fixes #290 (#300)

Author: mistwire

.github/workflows/ci.yml

@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["pypy-3.8", "3.8", "3.9", "3.10", "3.11"]
+        python-version: ["pypy-3.8", "3.8", "3.9", "3.10", "3.11", "3.12"]
     steps:
       - name: Check out repository
         uses: actions/checkout@v3

.gitpod.yml

@@ -7,7 +7,7 @@ tasks:
       # Upgrade pyenv itself
       pyenv update
 
-      export PY_VERSIONS="3.8 3.9 3.10 3.11"
+      export PY_VERSIONS="3.8 3.9 3.10 3.11 3.12"
 
       # Install all supported Python versions
       for py in $PY_VERSIONS;

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: Implementation :: CPython",
   "Programming Language :: Python :: Implementation :: PyPy",
   "Typing :: Typed"

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,py39,py310,py311,pep8,packaging,noextra,mypy
+envlist = py38,py39,py310,py311,py312,pep8,packaging,noextra,mypy
 isolated_build = True
 
 [testenv]