Merge pull request #809 from marshmallow-code/py_311

Support Python 3.11

Author: lafrech

.github/workflows/build-release.yml

@@ -25,8 +25,8 @@ jobs:
       matrix:
         include:
           - {name: '3.7-ma3', python: '3.7', os: ubuntu-latest, tox: py37-marshmallow3}
-          - {name: '3.10-ma3', python: '3.10', os: ubuntu-latest, tox: py310-marshmallow3}
-          - {name: '3.10-madev', python: '3.10', os: ubuntu-latest, tox: py310-marshmallowdev}
+          - {name: '3.11-ma3', python: '3.11', os: ubuntu-latest, tox: py311-marshmallow3}
+          - {name: '3.11-madev', python: '3.11', os: ubuntu-latest, tox: py311-marshmallowdev}
     steps:
       - uses: actions/checkout@v2
       - uses: actions/setup-python@v2

setup.py

@@ -78,6 +78,7 @@ def read(fname):
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3 :: Only",
     ],
     test_suite="tests",

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist=
     lint
-    py{37,38,39,310}-marshmallow3
+    py{37,38,39,310,311}-marshmallow3
     py310-marshmallowdev
     docs