Update app.py

app.py

@@ -11,9 +11,11 @@ from langchain_hyperbrowser import HyperbrowserBrowserUseTool
 from langgraph.graph import START, StateGraph
 from langgraph.prebuilt import ToolNode, tools_condition
 from langchain_core.messages import HumanMessage, SystemMessage
+from langchain_community.tools import DuckDuckGoSearchResults
 
 browser_tool = HyperbrowserBrowserUseTool()
-tools = [browser_tool]
+search_tool = DuckDuckGoSearchResults()
+tools = [browser_tool, search_tool]
 llm = HuggingFaceEndpoint(repo_id="Qwen/Qwen2.5-Coder-32B-Instruct")
 chat = ChatHuggingFace(llm=llm)
 llm_with_tools = chat.bind_tools(tools, parallel_tool_calls=False)
@@ -23,7 +25,7 @@ class State(TypedDict):
     messages = Annotated[list[AnyMessage], add_messages]
 
 def assistant(state:State):
-    system_message = SystemMessage("You are a helpful assistant. Your job is to answer the questions asked of you as accurately as possible. You have access to a browser search tool, which you may use when needed to answer a question.")
+    system_message = SystemMessage("You are a helpful assistant. Your job is to answer the questions asked of you as accurately as possible. You have access to search and browser tools, which you may use when needed to answer a question.")
     return {
         "messages": [llm_with_tools.invoke([system_message] + state["messages"])]
     }