bring back support for python 3.9

Author: mavwolverine

.github/workflows/ci.yml

@@ -36,7 +36,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python: ['3.10', '3.11', '3.12', '3.13']
+        python: ['3.9', '3.10', '3.11', '3.12', '3.13']
 
     env:
       PYTHON: ${{ matrix.python }}

pyproject.toml

@@ -20,6 +20,7 @@ classifiers = [
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
     'Programming Language :: Python :: 3 :: Only',
+    'Programming Language :: Python :: 3.9',
     'Programming Language :: Python :: 3.10',
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
@@ -37,7 +38,7 @@ classifiers = [
     'Topic :: Software Development :: Libraries :: Python Modules',
     'Topic :: Internet',
 ]
-requires-python = '>=3.10'
+requires-python = '>=3.9'
 dependencies = [
     'pydantic>=2.7.0',
     'python-dotenv>=0.21.0',