Update rag_langgraph.py

rag_langgraph.py

@@ -98,7 +98,7 @@ def create_graph(topic, word_count):
     research_node = functools.partial(agent_node, agent=research_agent, name="Researcher")
     
     blogger_agent = create_agent(llm, [], "Write a {word_count}-word blog post on topic {topic}")
-    blogger_node = functools.partial(agent_node, agent=code_agent, name="Blogger")
+    blogger_node = functools.partial(agent_node, agent=blogger_agent, name="Blogger")
     
     workflow = StateGraph(AgentState)
     workflow.add_node("Researcher", research_node)