Fix 3.9 typing in event translator test (#515)

Author: contextablemark

typescript-sdk/integrations/adk-middleware/python/examples/pyproject.toml

@@ -7,7 +7,7 @@ description = "Example usage of the ADK middleware with FastAPI"
 license = "MIT"
 
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.9, <3.14"
 dependencies = [
     "fastapi>=0.104.0",
     "httpx>=0.27.0",

typescript-sdk/integrations/adk-middleware/python/examples/uv.lock

@@ -5,7 +5,7 @@ readme = "README.md"
 authors = [
     { name = "Mark Fogle", email = "[email protected]" }
 ]
-requires-python = ">=3.12"
+requires-python = ">=3.9, <3.14"
 dependencies = [
     "ag-ui-protocol>=0.1.7",
     "aiohttp>=3.12.0",

typescript-sdk/integrations/adk-middleware/python/pyproject.toml

@@ -4,6 +4,7 @@
 import json
 from dataclasses import asdict, dataclass
 from types import SimpleNamespace
+from typing import Optional
 
 import pytest
 import uuid
@@ -136,13 +137,13 @@ async def test_translate_function_response_with_call_tool_result_payload(self, t
         class TextContent:
             type: str = "text"
             text: str = ""
-            annotations: list | None = None
-            meta: dict | None = None
+            annotations: Optional[list] = None
+            meta: Optional[dict] = None
 
         @dataclass
         class CallToolResult:
-            meta: dict | None
-            structuredContent: dict | None
+            meta: Optional[dict]
+            structuredContent: Optional[dict]
             isError: bool
             content: list[TextContent]