code: def real_read(self, subset):
      file_name = "h36m_%s.pkl" % subset
      print("loading %s" % file_name)
      file_path = os.path.join(ROOT_PATH, file_name)
      with open(file_path, "rb") as f:
          gt = pickle.load(f)
      return gt
  
file_path: TensorLayer/tensorlayer/app/human_pose_estimation/common.py
imports: import tensorflow
  import numpy
  import pickle
  import matplotlib.pyplot
  import os
  import matplotlib.gridspec
label_desc: Use image node_id 2 for calling the DataReader obj's underlying member method code with example usage: obj.real_read(subset) and returns: gt