feat: drop support for python 3.9

Python 3.9 is EOL since Oct 2025.

https://devguide.python.org/versions/

Author: jooola

.github/workflows/test.yml

@@ -12,7 +12,6 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"

.gitlab-ci.yml

@@ -27,7 +27,6 @@ test:
   parallel:
     matrix:
       - python_version:
-          - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"

.pre-commit-config.yaml

@@ -32,7 +32,7 @@ repos:
     rev: v3.21.0
     hooks:
       - id: pyupgrade
-        args: [--py39-plus]
+        args: [--py310-plus]
 
   - repo: https://github.com/pycqa/isort
     rev: 7.0.0

pyproject.toml

@@ -15,7 +15,7 @@ requires = ["setuptools"]
 build-backend = "setuptools.build_meta"
 
 [tool.pylint.main]
-py-version = "3.9"
+py-version = "3.10"
 recursive = true
 jobs = 0
 

setup.py

@@ -27,14 +27,13 @@
         "Intended Audience :: Developers",
         "Natural Language :: English",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: 3.14",
     ],
-    python_requires=">=3.9",
+    python_requires=">=3.10",
     install_requires=[
         "python-dateutil>=2.7.5",
         "requests>=2.20",

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py39, py310, py311, py312, py313, py314
+envlist = py310, py311, py312, py313, py314
 
 [testenv]
 passenv = FAKE_API_ENDPOINT
@@ -10,7 +10,6 @@ commands =
 
 [gh-actions]
 python =
-    3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312