diff --git a/src/agents/common/toolkits/buildin/tools.py b/src/agents/common/toolkits/buildin/tools.py
index 133b905e..66a397ce 100644
--- a/src/agents/common/toolkits/buildin/tools.py
+++ b/src/agents/common/toolkits/buildin/tools.py
@@ -118,6 +118,7 @@ def ask_user_question(
     if isinstance(options, str):
         try:
             import json
+
             options = json.loads(options)
             logger.debug(f"Parsed string options to list: {options}")
         except Exception as e:
@@ -128,6 +129,7 @@ def ask_user_question(
     if isinstance(questions, str):
         try:
             import json
+
             questions = json.loads(questions)
             logger.debug(f"Parsed string questions to list: {questions}")
         except Exception as e:
diff --git a/test/test_minimax_provider.py b/test/test_minimax_provider.py
index 1cfa8e46..c470060e 100644
--- a/test/test_minimax_provider.py
+++ b/test/test_minimax_provider.py
@@ -9,7 +9,6 @@ from __future__ import annotations
 
 import importlib.util
 import os
-import sys
 from pathlib import Path
 from unittest.mock import patch
 
@@ -114,7 +113,6 @@ class TestMiniMaxModelSelection:
 
     def _build_select_model(self, providers_dict):
         """Build a standalone select_model function mirroring src/models/chat.py."""
-        from openai import AsyncOpenAI
 
         class _Model:
             def __init__(self, api_key, base_url, model_name):