update

backend/models.py

@@ -1,6 +1,4 @@
-from datetime import datetime
-
-from sqlalchemy import Column, DateTime, Integer, String
+from sqlalchemy import Column, Integer, String
 
 from database import Base
 
@@ -14,4 +12,3 @@ class Video(Base):
     thumbnail_url = Column(String, nullable=False)
     youtube_url = Column(String, nullable=False)
     file_path = Column(String, nullable=True)
-    created_at = Column(DateTime, default=datetime.utcnow)