update import in test

Author: GDaamn

tests/models/test_openai_responses.py

@@ -5,6 +5,7 @@
 import pytest
 from dirty_equals import IsListOrTuple
 from inline_snapshot import snapshot
+from openai import NOT_GIVEN
 from pydantic import BaseModel
 from typing_extensions import TypedDict
 
@@ -36,7 +37,7 @@
 
 from ..conftest import IsDatetime, IsInstance, IsStr, TestEnv, try_import
 from ..parts_from_messages import part_types_from_messages
-from .mock_openai import NOT_GIVEN, MockOpenAIResponses, response_message
+from .mock_openai import MockOpenAIResponses, response_message
 
 with try_import() as imports_successful:
     from openai.types.responses.response_output_message import Content, ResponseOutputMessage, ResponseOutputText