Support Python 3.11 (#106)

* Support Python 3.11

Author: dmitry-viskov

.github/workflows/tox.yml

@@ -6,7 +6,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python: ['3.6', '3.7', '3.8', '3.9', '3.10']
+        python: ['3.6', '3.7', '3.8', '3.9', '3.10', '3.11']
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2

setup.py

@@ -49,11 +49,14 @@
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
+        "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "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 :: Internet :: WWW/HTTP",
         "Topic :: Internet :: WWW/HTTP :: WSGI",
         "Topic :: Security",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36, py37, py38, py39, py310
+envlist = py36, py37, py38, py39, py310, py311
 
 [testenv]
 commands =