text: from pf_sqlalchemy.db.orm import Base, database
  
  
  class Person(Base):
      identifier = database.Column(database.String(250), nullable=False)
      password = database.Column(database.String(500), nullable=False)
      firstName = database.Column(database.String(250), nullable=False)
      lastName = database.Column(database.String(250))
      email = database.Column(database.String(250), nullable=False)