minor rollback of change due to rules

Author: Aleksandr Malyshev

vllm/entrypoints/openai/tool_parsers/minimax_m2_tool_parser.py

@@ -2,12 +2,11 @@
 # SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
+import re
 import uuid
 from collections.abc import Sequence
 from typing import Any
 
-import regex as re
-
 from vllm.entrypoints.openai.protocol import (
     ChatCompletionRequest,
     DeltaFunctionCall,