old_contents: from sqlalchemy import Column, ForeignKey, Integer, String
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy.orm import sessionmaker
  from sqlalchemy import create_engine
  
  Base = declarative_base()
  
  
  class Person(Base):
      __tablename__ = 'person'
      id = Column(Integer, primary_key=True)
      name = Column(String(250), nullable=False)
  
  engine = create_engine('sqlite:///person.db')
  
  if __name__ == "__main__":
      Base.metadata.create_all(engine)
new_contents: from sqlalchemy import Column, Integer, String
  from sqlalchemy.ext.declarative import declarative_base
  from sqlalchemy import create_engine
  
  Base = declarative_base()
  
  
  class Person(Base):
      __tablename__ = 'person'
      id = Column(Integer, primary_key=True)
      name = Column(String(250), nullable=False)
  
  engine = create_engine('sqlite:///person.db')
  
  if __name__ == "__main__":
      Base.metadata.create_all(engine)
subject: Edit little dependencies