docstr: Shuffles the data_map
docstr_tok: ["Shuffles","the","data_map"]
code: def shuffle_dataset(self):
      """
      Shuffles the data_map
      """
      perm = np.arange(self.n_samples)
      np.random.shuffle(perm)
  
      for key in self.data_map:
          self.data_map[key] = self.data_map[key][perm]
  
file_path: stable-baselines/stable_baselines/common/dataset.py
imports: import numpy
label_desc: Use image node_id 2 for calling the Dataset obj's underlying member method code with example usage: obj.shuffle_dataset() without return types