Update app.py

The Tavily web search tool has been added.
And the necessary libraries are imported.

app.py

@@ -4,7 +4,8 @@ import requests
 import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
-
+import os
+from tavily import TavilyClient
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
@@ -18,6 +19,19 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def tavily_search(query: str) -> str:
+    """A tool that performs web search using Tavily API
+    Args:
+        query: The search query to look up
+    """
+    try:
+        client = TavilyClient(api_key=os.environ["TAVILY_API_KEY"])
+        search_result = client.search(query=query)
+        return str(search_result)
+    except Exception as e:
+        return f"Error performing search: {str(e)}"
+
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -55,7 +69,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, tavily_search, get_current_time_in_timezone, image_generation_tool], # Added tavily_search
     max_steps=6,
     verbosity_level=1,
     grammar=None,