Update rag_langgraph.py

rag_langgraph.py

@@ -48,7 +48,7 @@ class AgentState(TypedDict):
     
 def run_multi_agent(prompt):
     tavily_tool = TavilySearchResults(max_results=5)
-    python_repl_tool = PythonREPLTool()
+    python_repl_tool = PythonREPLTool(return_direct=true)
 
     members = ["Researcher", "Coder"]
     system_prompt = (
@@ -133,7 +133,7 @@ def run_multi_agent(prompt):
     for s in graph.stream(
         {
             "messages": [
-                HumanMessage(content=str(prompt))
+                HumanMessage(content="Code hello world and print it to the terminal")
             ]
         }
     ):