FIX: Fix HTTPError cannot be found in serperai

src/crewai_tools/tools/serpapi_tool/serpapi_google_search_tool.py

@@ -3,7 +3,7 @@ from typing import Any, Type, Optional
 import re
 from pydantic import BaseModel, Field
 from .serpapi_base_tool import SerpApiBaseTool
-from serpapi import HTTPError
+from urllib.error import HTTPError
 
 class SerpApiGoogleSearchToolSchema(BaseModel):
     """Input for Google Search."""