Update rag_langgraph.py

rag_langgraph.py

@@ -128,18 +128,17 @@ def run_multi_agent(prompt):
     
     graph = workflow.compile()
 
-    result = ""
+    result = "DONE"
 
     for s in graph.stream(
         {
             "messages": [
-                HumanMessage(content="Code hello world and print it to the terminal")
+                HumanMessage(content=prompt)
             ]
         }
     ):
         if "__end__" not in s:
             print(s)
-            result = str(s)
             print("----")
         
     return result