Python: updated docstrings (#1225)

* updated docstrings

* fix tests and mypy

* hosted file search docstring update

* updated versions

python/packages/core/tests/core/test_middleware_with_chat.py

@@ -14,6 +14,7 @@ from agent_framework import (
     Role,
     chat_middleware,
     function_middleware,
+    use_chat_middleware,
     use_function_invocation,
 )
 
@@ -326,6 +327,7 @@ class TestChatMiddleware:
         async def test_function_middleware(
             context: FunctionInvocationContext, next: Callable[[FunctionInvocationContext], Awaitable[None]]
         ) -> None:
+            nonlocal execution_order
             execution_order.append(f"function_middleware_before_{context.function.name}")
             await next(context)
             execution_order.append(f"function_middleware_after_{context.function.name}")
@@ -336,7 +338,7 @@ class TestChatMiddleware:
             return f"Weather in {location}: sunny"
 
         # Create function-invocation enabled chat client
-        chat_client = use_function_invocation(MockBaseChatClient)()
+        chat_client = use_chat_middleware(use_function_invocation(MockBaseChatClient))()
 
         # Set function middleware directly on the chat client
         chat_client.middleware = [test_function_middleware]

python/packages/core/tests/core/test_types.py

@@ -580,14 +580,6 @@ def test_chat_response_update():
     assert response_update.text == "I'm doing well, thank you!"
 
 
-def test_chat_response_update_with_method():
-    u = ChatResponseUpdate(text="Hello", message_id="1")
-    v = u.with_(contents=[TextContent(" world")])
-    assert v is not u
-    assert v.text == "Hello world"
-    assert v.message_id == "1"
-
-
 def test_chat_response_updates_to_chat_response_one():
     """Test converting ChatResponseUpdate to ChatResponse."""
     # Create a ChatMessage