code: def generate(self):
      raise NotImplementedError
  
file_path: tflearn/tflearn/helpers/generator.py
imports: from __future__ import division, print_function, absolute_import
  import tensorflow.compat.v1
  from ..utils import to_list
label_desc: Use image node_id 3 for calling the SequenceGenerator obj's underlying member method code with example usage: obj.generate() without return types