Update multi_agent.py

multi_agent.py

@@ -97,7 +97,7 @@ def create_graph(model, max_tokens, temperature, topic):
 
     content_planner_agent = create_agent(llm, [tavily_tool, today_tool], system_prompt=
                                     "You are a Content Planner working on planning a blog article "
-              "about the topic: {topic}."
+              "about the topic: " + topic + "."
               "You collect information that helps the "
               "audience learn something "
               "and make informed decisions. "
@@ -107,7 +107,7 @@ def create_graph(model, max_tokens, temperature, topic):
 
     article_author_agent = create_agent(llm, [tavily_tool], system_prompt=
                                     "You are an Article Writer working on writing "
-              "a new opinion piece about the topic: {topic}. "
+              "a new opinion piece about the topic: " + topic + ". "
               "You base your writing on the work of "
               "the Content Planner, who provides an outline "
               "and relevant context about the topic. "