Included my own function, and instantiated web search correctly

app.py

@@ -53,12 +53,16 @@ custom_role_conversions=None,
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
+# Use web search
+web_search_tool = DuckDuckGoSearchTool(max_results=5, rate_limit=2.0)
+
+
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
     
 agent = CodeAgent(
     model=model,
-    tools=[get_current_time_in_timezone, image_generation_tool, final_answer, DuckDuckGoSearchTool], ## add your tools here (don't remove final answer)
+    tools=[get_current_time_in_timezone, image_generation_tool, final_answer, produce_a_farty_text, web_search_tool], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,