Update agent.py

agent.py

@@ -113,6 +113,9 @@ def build_graph(provider: str = "huggingface"):
             huggingfacehub_api_token=hf_api_key,        
             model_kwargs={"temperature": 0}
         )
+    # Bind tools to LLM
+    llm_with_tools = llm.bind_tools(tools)
+    
     def assistant(state: MessagesState):
         """ Use the tools to answer the query. you have add,subtract,multiply,divide,web_search,wikipedia_search,arxiv_search tools."""
         response = llm_with_tools.invoke([system_message]+state["messages"])