code: def __iter__(self):
      for file in self.files:
          with open(file, "r") as f:
              for line in f:
                  rows = line.split("\t")
                  x = rows[0].strip().split(" ")[1:-1]
                  y = rows[1].strip().split(" ")[1:-1]
                  yield x, y
  
file_path: Kashgari/examples/custom_generator.py
imports: import os
  import linecache
  from tensorflow.keras.utils import get_file
  from kashgari.generators import ABCGenerator
label_desc: Use image node_id 3 for calling the LabelingGenerator obj's underlying member method code with example usage: obj.__iter__() without return types