Update app.py

app.py

@@ -164,7 +164,7 @@ def extract_video_id(url: str) -> str:
     # Handles both youtube.com and youtu.be formats
     pattern = r"(?:v=|\/)([0-9A-Za-z_-]{11}).*"
     match = re.search(pattern, url)
-    return match.group(1) if match else None
+    return match.group(1) if match else None
     
 st.title("🎬 YouTube Transcript Chatbot (RAG)")