Update app.py

app.py

@@ -24,6 +24,13 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 
 
+from typing import Optional
+from pydantic import BaseModel
+
+class InputSchema(BaseModel):
+    include_timestamps: Optional[bool] = None
+
+
 # --- Utility Functions ---
 def extract_youtube_id(url: str) -> str:
     """Extract YouTube ID from various URL formats"""