code: def get_splits(self, epoch):
      return os.listdir(os.path.join(self._viz_path, str(epoch)))
  
imports: import os
  from glob import glob
  from collections import defaultdict
  import torch
  from plyfile import PlyData, PlyElement
  from numpy.lib import recfunctions
  from torch_points3d.utils.colors import COLORS
  import numpy
label_desc: Use image node_id 6 for calling the ExperimentFolder obj's underlying member method code with example usage: obj.get_splits(epoch) and returns: os