Add support for python 3.9

Author: dsbilling

.github/workflows/code.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [ "3.10", "3.11", "3.12" ]
+        python-version: [ "3.9", "3.10", "3.11", "3.12" ]
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4

setup.py

@@ -25,7 +25,7 @@
     url='https://github.com/kilobyteno/tunsberg',
     author='Kilobyte AS',
     license='MIT',
-    python_requires='>=3.10',
+    python_requires='>=3.9',
     packages=['tunsberg'],
     include_package_data=True,
     install_requires=requirements,
@@ -39,6 +39,7 @@
     classifiers=[
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',

tunsberg/responses.py

@@ -1,5 +1,5 @@
 import json
-from typing import Any, Dict, List, Optional
+from typing import Any, Dict, List, Optional, Union
 
 from fastapi import Query
 from fastapi_pagination import Page, Params
@@ -22,7 +22,7 @@ class ResponseModel(BaseModel):
 
     status_code: int
     message: str
-    data: Optional[Dict[str, Any]] | Optional[List[Any]] | Optional[str] = None
+    data: Optional[Union[Dict[str, Any], List[Any], str]] = None
     pagination: Optional[Pagination] = Field(None, exclude=True)
     background_tasks: Optional[Any] = Field(None, exclude=True)