fix(chat): align named tool choice param

Author: majiayu000

src/openai/types/chat/chat_completion_named_tool_choice_param.py

@@ -4,12 +4,7 @@
 
 from typing_extensions import Literal, Required, TypedDict
 
-__all__ = ["ChatCompletionNamedToolChoiceParam", "Function"]
-
-
-class Function(TypedDict, total=False):
-    name: Required[str]
-    """The name of the function to call."""
+__all__ = ["ChatCompletionNamedToolChoiceParam"]
 
 
 class ChatCompletionNamedToolChoiceParam(TypedDict, total=False):
@@ -18,7 +13,8 @@ class ChatCompletionNamedToolChoiceParam(TypedDict, total=False):
     Use to force the model to call a specific function.
     """
 
-    function: Required[Function]
+    name: Required[str]
+    """The name of the function to call."""
 
     type: Required[Literal["function"]]
     """For function calling, the type is always `function`."""

tests/test_chat_completion_tool_choice_param.py

@@ -0,0 +1,9 @@
+from openai.types.chat import ChatCompletionNamedToolChoiceParam
+
+
+def test_chat_completion_named_tool_choice_param_name() -> None:
+    annotations = ChatCompletionNamedToolChoiceParam.__annotations__
+
+    assert "type" in annotations
+    assert "name" in annotations
+    assert "function" not in annotations