Fixed import (app not a module, thus absolute and not relative import)

app.py

@@ -7,7 +7,7 @@ from smolagents import GradioUI, CodeAgent, HfApiModel
 
 # Import our custom tools from their modules
 from tools import WeatherInfoTool, HubStatsTool#, DuckDuckGoSearchTool
-from .websearch import CustomDuckDuckGoSearchTool  as DuckDuckGoSearchTool
+from websearch import CustomDuckDuckGoSearchTool  as DuckDuckGoSearchTool
 from retriever import load_guest_dataset
 
 # Initialize the Hugging Face model