Update app.py

app.py

@@ -4,6 +4,8 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
+from tools.calculator import calculator
+
 
 from Gradio_UI import GradioUI
 
@@ -55,8 +57,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=["calculator", "final_answer"],
-
+    tools=[calculator, final_answer],  # pass actual tool objects, not strings
     max_steps=6,
     verbosity_level=1,
     grammar=None,