Remove support for EOL python versions

Author: twmr

.circleci/config.yml

@@ -65,7 +65,7 @@ workflows:
           requires: ["Test"]
           matrix:
             parameters:
-              version: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+              version: ["3.9", "3.10", "3.11"]
       - orb/docs:
           name: "Docs"
           requires: ["Test"]

setup.py

@@ -40,7 +40,7 @@
         "Changelog": "https://www.pyinvoke.org/changelog.html",
         "CI": "https://app.circleci.com/pipelines/github/pyinvoke/invoke",
     },
-    python_requires=">=3.6",
+    python_requires=">=3.9",
     packages=find_packages(exclude=exclude),
     include_package_data=True,
     entry_points={
@@ -62,9 +62,6 @@
         "Programming Language :: Python",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3 :: Only",
-        "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",

sites/www/installing.rst

@@ -10,7 +10,7 @@ via `pip <https://pip.pypa.io>`_::
 
     $ pip install invoke
 
-We currently support **Python 3.6+**. Users still on Python 3.5 or older are
+We currently support **Python 3.9+**. Users still on Python 3.8 or older are
 urged to upgrade.
 
 As long as you have a supported Python interpreter, **there are no other