text: from flask import render_template
  from myapp import db
  from myapp.errors import bp
  
  @bp.errorhandler(404)
  def not_found_error(error):
      return render_template('errors/404.html'), 404
  
  @bp.errorhandler(500)
  def internal_error(error):
      db.session.rollback()
      return render_template('errors/500.html'), 500