Update graph_builder.py

graph_builder.py

@@ -1,14 +1,16 @@
 from langgraph.graph import StateGraph
 from langchain_core.tools import Tool
 from langchain_community.chat_models import ChatOpenAI
-from langchain_community.tools.tavily_search import TavilySearchAPIWrapper
+from langchain_community.tools import TavilySearchResults
+
 
 
 def build_graph():
     graph = StateGraph(dict)
 
     # Setup tools
-    search = TavilySearchAPIWrapper(api_key="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")
+    search = TavilySearchResults()
+
 
     def search_step(state):
         question = state.get("question")