Update app.py

app.py

@@ -57,7 +57,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[calculator, final_answer],  # pass actual tool objects, not strings
+    tools=[calculator,summarizer, final_answer],  # pass actual tool objects, not strings
     max_steps=6,
     verbosity_level=1,
     grammar=None,