Add 3.12 support (#352)

Author: gaborbernat

.github/workflows/check.yml

@@ -18,6 +18,7 @@ jobs:
       fail-fast: false
       matrix:
         py:
+          - "3.12.0-alpha.7"
           - "3.11"
           - "3.10"
           - "3.9"

tox.ini

@@ -3,6 +3,7 @@ requires =
     tox>=4.2
 env_list =
     fix
+    py312
     py311
     py310
     py39
@@ -41,6 +42,11 @@ deps =
 commands =
     pre-commit run --all-files --show-diff-on-failure
 
+[testenv:py312]
+set_env =
+    {[testenv]set_env}
+    VIRTUALENV_SETUPTOOLS = bundle
+
 [testenv:type]
 description = run type check on code base
 deps =