remove Python 3.8 mentions

README.rst

@@ -56,7 +56,7 @@ Once ``tahoe --version`` works, see `How to Run Tahoe-LAFS <docs/running.rst>`__
 🐍 Python 2
 -----------
 
-Python 3.8 or later is required.
+Python 3.9 or later is required.
 If you are still using Python 2.7, use Tahoe-LAFS version 1.17.1.
 
 

src/allmydata/web/common.py

@@ -4,8 +4,8 @@ Ported to Python 3.
 from __future__ import annotations
 
 from six import ensure_str
-import sys
-from importlib.resources import files as resource_files, as_file
+from importlib.resources import files as resource_files
+from importlib.resources import as_file
 from contextlib import ExitStack
 import weakref
 from typing import Optional, Union, TypeVar, overload

tox.ini

@@ -7,19 +7,17 @@
 # the tox-gh-actions package.
 [gh-actions]
 python =
-    3.8: py38-coverage
     3.9: py39-coverage
     3.10: py310-coverage
     3.11: py311-coverage
     3.12: py312-coverage
-    pypy-3.8: pypy38
     pypy-3.9: pypy39
 
 [pytest]
 twisted = 1
 
 [tox]
-envlist = typechecks,codechecks,py{38,39,310,311,312}-{coverage},pypy27,pypy38,pypy39,integration
+envlist = typechecks,codechecks,py{39,310,311,312}-{coverage},pypy39,integration
 minversion = 4
 
 [testenv]
@@ -138,7 +136,7 @@ commands =
     # Different versions of Python have a different standard library, and we
     # want to be compatible with all the variations. For speed's sake we only do
     # the earliest and latest versions.
-    mypy --python-version=3.8 src
+    mypy --python-version=3.9 src
     mypy --python-version=3.12 src