Update app.py

app.py

@@ -19,6 +19,7 @@ def search_images_for_presentation(query: str) -> str:
     Returns:
         list: A list of image URLs.
     """
+    helium.start_chrome(headless=True) 
     helium.go_to("https://duckduckgo.com/")
     search_box = helium.find(S("input[type='text']"))
     search_box.write(query + " image")