Drop support for EOL Python 3.6 and 3.7

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
 
     - uses: actions/setup-python@v4
       with:
-        python-version: ">= 3.6"
+        python-version: ">= 3.8"
 
     - name: deps
       run: python -m pip install -U build

.github/workflows/tests.yml

@@ -16,7 +16,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         os: ["macos-latest", "windows-latest", "ubuntu-latest"]
 
     steps:

pyproject.toml

@@ -24,8 +24,6 @@ classifiers = [
     "Environment :: Web Environment",
     "License :: OSI Approved :: Apache Software License",
     "Operating System :: OS Independent",
-    "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",
@@ -35,7 +33,7 @@ classifiers = [
 ]
 keywords = ["requests", "http", "caching", "web"]
 dependencies = ["requests >= 2.16.0", "msgpack >= 0.5.2, < 2.0.0"]
-requires-python = ">=3.7"
+requires-python = ">=3.8"
 
 [project.urls]
 Homepage = "https://pypi.org/project/CacheControl/"

tests/test_regressions.py

@@ -2,7 +2,6 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-import sys
 import pytest
 
 
@@ -14,9 +13,6 @@
 
 class Test39:
 
-    @pytest.mark.skipif(
-        sys.version.startswith("2"), reason="Only run this for python 3.x"
-    )
     def test_file_cache_recognizes_consumed_file_handle(self, url):
         s = CacheControl(Session(), FileCache("web_cache"))
         the_url = url + "cache_60"

tox.ini

@@ -4,11 +4,10 @@
 
 [tox]
 isolated_build = True
-envlist = py{36,37,38,39,310,311,312}, mypy
+envlist = py{38,39,310,311,312}, mypy
 
 [gh-actions]
 python =
-       3.7: py37
        3.8: py38
        3.9: py39
        3.10: py310, mypy