Drop support for EOL Python 3.10

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.15"]
+        python-version: ["3.11", "3.12", "3.13", "3.14", "3.15"]
 
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

pyproject.toml

@@ -13,12 +13,11 @@ maintainers = [ { name = "Python Core Team" } ]
 authors = [
   { name = "Larry Hastings", email = "larry@hastings.org" },
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 classifiers = [
   "Intended Audience :: Developers",
   "License :: OSI Approved :: BSD License",
   "Programming Language :: Python :: 3 :: Only",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",

src/blurb/_versions.py

@@ -1,23 +1,7 @@
 from __future__ import annotations
 
 import glob
-import sys
-
-if sys.version_info[:2] >= (3, 11):
-    from contextlib import chdir
-else:
-    import os
-
-    class chdir:
-        def __init__(self, path: str, /) -> None:
-            self.path = path
-
-        def __enter__(self) -> None:
-            self.previous_cwd = os.getcwd()
-            os.chdir(self.path)
-
-        def __exit__(self, *args) -> None:
-            os.chdir(self.previous_cwd)
+from contextlib import chdir
 
 
 def glob_versions() -> list[str]:

tests/test_parser.py

@@ -1,10 +1,10 @@
 import glob
 import os
+from contextlib import chdir
 
 import pytest
 
 from blurb._blurb_file import Blurbs
-from blurb._versions import chdir
 
 
 class TestParserPasses:

tox.ini

@@ -2,7 +2,7 @@
 requires =
     tox>=4.32
 env_list =
-    py{310-315}
+    py{311-315}
 
 [testenv]
 extras =