Update app.py

app.py

@@ -22,14 +22,16 @@ import re
 
 from smolagents import Tool
 
+from smolagents import Tool
+
 class YouTubeTranscriptTool(Tool):
     name = "youtube_transcript"
     description = "Extracts transcript text from a YouTube video URL"
     inputs = {"url": str}
     outputs = {"transcript": str}
+    output_type = dict  # ✅ This line is required!
 
     def __call__(self, url: str) -> dict:
-        # Example logic (replace with real code)
         from youtube_transcript_api import YouTubeTranscriptApi
         video_id = url.split("v=")[-1].split("&")[0]
         transcript_list = YouTubeTranscriptApi.get_transcript(video_id)