chore: drop support for python 3.9

Author: paketeserrano

.github/workflows/main.yml

@@ -23,7 +23,6 @@ jobs:
     strategy:
       matrix:
         tox_env:
-          - py39
           - py310
           - py311
           - py312

CHANGELOG.md

@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Changed
+
+- Python versions supported: 3.10, 3.11, 3.12, 3.13, PyPy3. Dropped support for 3.9.
+
 ## [2.9.0] - 2025-09-25
 
 ### Removed

README.md

@@ -25,7 +25,6 @@ python setup.py install
 
 ### Supported Python versions
 
-- Python 3.9
 - Python 3.10
 - Python 3.11
 - Python 3.12

pyproject.toml

@@ -1,10 +1,10 @@
 [tool.black]
 line-length = 99
-target-version = ['py39']
+target-version = ['py310']
 skip-string-normalization = true
 
 [tool.ruff]
-target-version = "py39"
+target-version = "py310"
 exclude = [
     ".git",
     "ENV",

setup.cfg

@@ -12,7 +12,7 @@ license = MIT
 license_files = []
 
 [options]
-python_requires = >=3.9, <4
+python_requires = >=3.10, <4
 setup_requires =
     setuptools
 install_requires =

tox.ini

@@ -4,7 +4,7 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py39, py310, py311, py312, py313, pypy311
+envlist = py310, py311, py312, py313, pypy311
 skip_missing_interpreters = True
 
 [testenv]