def example_reading_spec(self):
    data_fields = {'targets': tf.VarLenFeature(tf.int64)}
    for (name, _) in self.score_encoders():
        data_fields[name] = tf.VarLenFeature(tf.int64)
    data_items_to_decoders = None
    return (data_fields, data_items_to_decoders)
def example_reading_spec(self):
    data_fields = {'targets': tf.VarLenFeature(tf.int64)}
    for (name, _) in self.score_encoders():
        data_fields[name] = tf.VarLenFeature(tf.int64)
    data_items_to_decoders = None
    return (data_fields, data_items_to_decoders)