Remove support for Python 3.6 and 3.7

Fixes #716

.github/workflows/pythonpackage.yml

@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8, 3.9, "3.10"]
+        python-version: [3.8, 3.9, 3.10]
 
     steps:
     - uses: actions/checkout@v3

docs/requirements.rst

@@ -6,7 +6,7 @@ Client side Requirements
 
 - sudo, or root access on your client machine.
   (The server doesn't need admin access.)
-- Python 3.6 or greater.
+- Python 3.8 or greater.
 
 
 Linux with NAT method
@@ -72,7 +72,7 @@ cmd.exe with Administrator access. See :doc:`windows` for more information.
 Server side Requirements
 ------------------------
 
-- Python 3.6 or greater.
+- Python 3.8 or greater.
 
 
 Additional Suggested Software

setup.py

@@ -49,18 +49,17 @@ def version_scheme(version):
         "License :: OSI Approved :: "
             "GNU Lesser General Public License v2 or later (LGPLv2+)",
         "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",
         "Topic :: System :: Networking",
     ],
     entry_points={
         'console_scripts': [
             'sshuttle = sshuttle.cmdline:main',
         ],
     },
-    python_requires='>=3.6',
+    python_requires='>=3.8',
     install_requires=[
     ],
     tests_require=[

tox.ini

@@ -1,17 +1,15 @@
 [tox]
 downloadcache = {toxworkdir}/cache/
 envlist =
-    py36,
-    py37,
     py38,
     py39,
+    py310,
 
 [testenv]
 basepython =
-    py36: python3.6
-    py37: python3.7
     py38: python3.8
     py39: python3.9
+    py310: python3.10
 commands =
     pip install -e .
     # actual flake8 test