code: def get_next_batch(self, batch_size):
      # if batch_size is negative -> return all
      if batch_size < 0:
          return self.inputs, self.labels
      if self.pointer + batch_size >= self.num_pairs:
          self.init_pointer()
      end = self.pointer + batch_size
      inputs = self.inputs[self.pointer : end, :]
      labels = self.labels[self.pointer : end, :]
      self.pointer = end
      return inputs, labels
  
file_path: baselines/baselines/gail/dataset/mujoco_dset.py
imports: from baselines import logger
  import numpy
label_desc: Use image node_id 3 for calling the Dset obj's underlying member method code with example usage: obj.get_next_batch(batch_size) and returns: inputs,  labels, self,  self