Update app.py

app.py

@@ -24,6 +24,13 @@ def __init__(self, max_results=10, **kwargs):
                 "You must install package `duckduckgo_search` to run this tool: for instance run `pip install duckduckgo-search`."
             ) from e
         self.ddgs = DDGS(**kwargs)
+    
+    def forward(self, query: str) -> str:
+        results = self.ddgs.text(query, max_results=self.max_results)
+        if len(results) == 0:
+        raise Exception("No results found! Try a less restrictive/shorter query.")
+        postprocessed_results = [f"[{result['title']}]({result['href']})\n{result['body']}" for result in results]
+        return "## Search Results\n\n" + "\n\n".join(postprocessed_results)
        
 @tool 
 def get_current_time_in_timezone(timezone: str) -> str: