Python 3.9 drop

Author: p1c2u

.github/workflows/python-test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.10', '3.11', '3.12', '3.13']
         os: [windows-latest, ubuntu-latest]
       fail-fast: false
     steps:

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
     rev: v3.21.2
     hooks:
       - id: pyupgrade
-        args: ["--py39-plus"]
+        args: ["--py310-plus"]
 
   - repo: https://github.com/psf/black-pre-commit-mirror
     rev: 25.12.0

poetry.lock

@@ -7,15 +7,14 @@ authors = [
 ]
 license = "Apache-2.0"
 readme = "README.rst"
-requires-python = ">=3.9,<4.0"
+requires-python = ">=3.10,<4.0"
 keywords = ["openapi", "swagger", "schema"]
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
     "Topic :: Software Development :: Libraries :: Python Modules",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",

pyproject.toml

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{3.9,3.10,3.11,3.12,3.13}
+    py{3.10,3.11,3.12,3.13}
 
 [testenv]
 skip_install = true