Update app.py

app.py

@@ -45,6 +45,7 @@ def initialize_multimodal_agent():
 def initialize_youtube_agent():
     return Agent(
         name="YouTube Summarizer",
+        model=Gemini(id="gemini-2.0-flash-exp"),
         tools=[YouTubeTools()],
         show_tool_calls=True,
         description="You are a YouTube agent. Obtain the captions of a YouTube video and answer questions.",