code: def load_ply_file(self, file):
      if hasattr(self, "_current_split"):
          self._current_file = file
          self._current_experiment.load_ply(
              self._current_epoch,
              self._current_split,
              self._current_file,
          )
      else:
          return []
  
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 ExperimentManager obj's underlying member method code with example usage: obj.load_ply_file(file) and returns: list