Update app2.py

app2.py

@@ -11,7 +11,7 @@ from sqlalchemy import create_engine, Column, Integer, String, Text, DateTime
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.orm import declarative_base, sessionmaker
 from urllib.parse import urljoin
-
+import logging
 Base = declarative_base()
 
 class Article(Base):