Drop Python 3.9 support, add Python 3.13

pytest 9.0 requires Python >= 3.10, so the CI was failing on Python 3.9.
Python 3.9 reached end-of-life in October 2025.

Author: alexander-akhmetov

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: actions/checkout@v6

pyproject.toml

@@ -14,18 +14,18 @@ classifiers = [
     "License :: OSI Approved :: MIT License",
     "Operating System :: MacOS :: MacOS X",
     "Operating System :: POSIX :: Linux",
-    "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 :: Only",
     "Topic :: Software Development :: Libraries :: Python Modules",
 ]
 keywords = ["telegram", "client", "api", "tdlib", "tdjson", "td"]
 dependencies = [
     "telegram-text==0.2.0",
 ]
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 
 [project.urls]
 Source = "https://github.com/alexander-akhmetov/python-telegram"

tox.ini

@@ -1,13 +1,13 @@
 [tox]
 ignore_basepython_conflict = true
-envlist = mypy,ruff,ruff-format,py39,py310,py311,py312
+envlist = mypy,ruff,ruff-format,py310,py311,py312,py313
 
 [gh-actions]
 python =
-    3.9: py39
     3.10: py310
     3.11: py311
     3.12: py312, mypy, ruff, ruff-format
+    3.13: py313
 
 [testenv]
 basepython = python3