code: def validate_pro():
      
      cmd = ['python3', 'validate.py', FLAGS.pro_dataset,
             '--use_tpu',
             '--tpu_name={}'.format(TPU_NAME),
             '--work_dir={}'.format(fsdb.working_dir()),
             '--flagfile=rl_loop/distributed_flags',
             '--validate_name=pro']
      mask_flags.run(cmd)
docs: Validate on professional data.