Update app.py

use the load_tool instead duckduck

app.py

@@ -18,6 +18,9 @@ from Gradio_UI import GradioUI
 #    """
 #    return "What magic will you build ?"
 
+# Load the DuckDuckGo search tool
+ddg = load_tool("duckduckgo")
+
 @tool
 def my_custom_tool(city1: str, city2: str) -> str:
     """
@@ -29,9 +32,9 @@ def my_custom_tool(city1: str, city2: str) -> str:
         A string listing the top 5 sightseeing locations in each city.
     """
     # Search for top 5 sightseeing locations in city1
-    results_city1 = DuckDuckGoSearchTool(f"top 5 sightseeing locations in {city1}")
+    results_city1 = ddg(f"top 5 sightseeing locations in {city1}")
     # Search for top 5 sightseeing locations in city2
-    results_city2 = DuckDuckGoSearchTool(f"top 5 sightseeing locations in {city2}")
+    results_city2 = ddg(f"top 5 sightseeing locations in {city2}")
 
     # Format the results as a string
     output = f"Top 5 sightseeing locations in {city1}:\n"