code: def predict_batch(self, images):
      pos = self.sess.run(self.x_op, feed_dict={self.x: images})
      return pos * self.MaxPos
  
imports: import numpy
  import paddle
  from .pd_model.x2paddle_code import TFModel
label_desc: Use image node_id 3 for calling the PosPrediction obj's underlying member method code with example usage: obj.predict_batch(images) and returns: unknown