Added fetch newsweb message tool

app.py

@@ -85,7 +85,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], fetch_message_from_newsweb,
+    tools=[final_answer, fetch_message_from_newsweb],
     max_steps=6,
     verbosity_level=1,
     grammar=None,