Update app.py

app.py

@@ -15,9 +15,11 @@ from langgraph.graph.message import add_messages
 from smolagents import ToolCallingAgent, LiteLLMModel, tool, DuckDuckGoSearchTool
 from langchain_community.utilities import WikipediaAPIWrapper
 from langchain_huggingface import HuggingFaceEndpoint, ChatHuggingFace
+from langchain_community.utilities import GoogleSerperAPIWrapper
 
 import uuid
 
+
 # (Keep Constants as is)
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
@@ -27,7 +29,6 @@ OPENAI_KEY=os.environ.get("OPENAI_KEY")
 
 # --- Basic Agent Definition ---
 # ----- THIS IS WHERE YOU CAN BUILD WHAT YOU WANT ------
-serper_tool = GoogleSerperAPIWrapper()
 
 def wikipedia_search(query: str) -> str:
     return WikipediaAPIWrapper().run(query)