code: def cmd_rollback(self, name):
          
          from peewee_migrate.router import Router, LOGGER
  
          LOGGER.setLevel('INFO')
          LOGGER.propagate = 0
  
          router = Router(self.database,
                          migrate_dir=self.app.config['PEEWEE_MIGRATE_DIR'],
                          migrate_table=self.app.config['PEEWEE_MIGRATE_TABLE'])
  
          router.rollback(name)
docs: Rollback migrations.