fixed error with the tools

app.py

@@ -50,7 +50,7 @@ custom_role_conversions=None,
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
-search_tool = DuckDuckGoSearchTool()
+
 
 
 
@@ -60,7 +60,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-        tools=[final_answer, image_generation_tool, get_current_time_in_timezone, search_tool], ## add your tools here (don't remove final answer)
+        tools=[final_answer, image_generation_tool, get_current_time_in_timezone, DuckDuckGoSearchTool()], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,