Drop Python 3.8 support (#373)

Now EOL:
https://discuss.python.org/t/python-3-8-is-now-officially-eol/66983 .

.github/workflows/main.yml

@@ -20,7 +20,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-        - 3.8
         - 3.9
         - '3.10'
         - '3.11'

.pre-commit-config.yaml

@@ -34,7 +34,7 @@ repos:
   rev: v3.17.0
   hooks:
   - id: pyupgrade
-    args: [--py38-plus]
+    args: [--py39-plus]
 - repo: https://github.com/psf/black-pre-commit-mirror
   rev: 24.8.0
   hooks:

CHANGELOG.rst

@@ -2,6 +2,8 @@
 Changelog
 =========
 
+* Drop Python 3.8 support.
+
 * Support Python 3.13.
 
 1.18.0 (2024-06-30)

README.rst

@@ -29,7 +29,7 @@ Use **pip**:
 
     python -m pip install blacken-docs
 
-Python 3.8 to 3.13 supported.
+Python 3.9 to 3.13 supported.
 
 Black 22.1.0+ supported.
 

pyproject.toml

@@ -15,15 +15,14 @@ maintainers = [
 authors = [
   { name = "Anthony Sottile", email = "asottile@umich.edu" },
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 classifiers = [
   "Development Status :: 5 - Production/Stable",
   "Intended Audience :: Developers",
   "License :: OSI Approved :: MIT License",
   "Natural Language :: English",
   "Operating System :: OS Independent",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.8",
   "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",

src/blacken_docs/__init__.py

@@ -5,9 +5,9 @@
 import re
 import textwrap
 from bisect import bisect
-from typing import Generator
-from typing import Match
-from typing import Sequence
+from collections.abc import Generator
+from collections.abc import Sequence
+from re import Match
 
 import black
 from black.const import DEFAULT_LINE_LENGTH

tests/requirements/compile.py

@@ -19,7 +19,6 @@
         *sys.argv[1:],
     ]
     run = partial(subprocess.run, check=True)
-    run([*common_args, "--python", "3.8", "--output-file", "py38.txt"])
     run([*common_args, "--python", "3.9", "--output-file", "py39.txt"])
     run([*common_args, "--python", "3.10", "--output-file", "py310.txt"])
     run([*common_args, "--python", "3.11", "--output-file", "py311.txt"])