code: def delete(model_meta_file):
      if model_meta_file is None:
          return
      os.remove(model_meta_file)
      model_meta_file = model_meta_file.replace(".npy", "")
      os.remove(model_meta_file.replace("meta", "param"))
      os.remove(model_meta_file.replace("meta", "embed"))
  
file_path: dynet/examples/treelstm/model.py
imports: import dynet
  import numpy
  import os
label_desc: Use image node_id 8 for calling the TreeLSTMClassifier obj's underlying member method code with example usage: obj.delete(model_meta_file) without return types