feat: python 3.11 support; drop 3.6 and 3.7.

README.md

@@ -30,7 +30,7 @@ Resources:
 ## Install
 
 [wheezy.caching](https://pypi.org/project/wheezy.caching/) requires
-[python](http://www.python.org) version 3.6+. It is independent of operating
+[python](http://www.python.org) version 3.8+. It is independent of operating
 system. You can install it from
 [pypi](https://pypi.org/project/wheezy.caching/) site:
 

setup.py

@@ -35,7 +35,7 @@
 setup(
     name="wheezy.caching",
     version=VERSION,
-    python_requires=">=3.6",
+    python_requires=">=3.8",
     description="A lightweight caching library",
     long_description=README,
     long_description_content_type="text/markdown",
@@ -49,11 +49,10 @@
         "Natural Language :: English",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "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 :: Implementation :: CPython",
         "Programming Language :: Python :: Implementation :: PyPy",
         "Topic :: Software Development :: Libraries :: Python Modules",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,py37,py38,py39,py310,pypy3,lint,docs
+envlist = py38,py39,py310,py311,pypy3,lint,docs
 skipsdist = True
 
 [testenv]