Add Python 3.11 support (#320)

Author: gruebel

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10"]
+        python: ["3.7", "3.8", "3.9", "3.10", "3.11-dev"]
         os: [ubuntu-latest, windows-latest]
         include:
           - python: "3.7"
@@ -22,6 +22,8 @@ jobs:
             tox_env: "py39"
           - python: "3.10"
             tox_env: "py310"
+          - python: "3.11-dev"
+            tox_env: "py311"
 
     steps:
     - uses: actions/checkout@v3

setup.py

@@ -33,6 +33,7 @@
         "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",
         "Topic :: Software Development :: Testing",
     ],

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 minversion = 3.5.3
-envlist = py{37,38,39,310}, norewrite
+envlist = py{37,38,39,310,311}, norewrite
 
 [testenv]
 passenv = USER USERNAME