old_contents: from database import Base
  from sqlalchemy import Column, Integer, String, DateTime
  
  
  class Address(Base):
      __tablename__ = 'address'
  
      id = Column(Integer, primary_key=True)
      zipcode = Column(String(6), nullable=False)
      address = Column(String(255), nullable=False)
      add_fee = Column(Integer, nullable=False)
  
new_contents: from database import Base
  from sqlalchemy import Column, Integer, String, DateTime
  
  
  class Address(Base):
      __tablename__ = 'address'
  
      id = Column(Integer, primary_key=True)
      zipcode = Column(String(6), nullable=False)
      address = Column(String(255), nullable=False)
      trimmed_address = Column(String(255), nullable=False)
      add_fee = Column(Integer, nullable=False)
  
subject: Add Trimmed text column