class_docstr: A container class for one CTM unit with start and length countable in frames.
      
code: def __repr__(self) -> str:
      return f"{self.label}\t({self.probability:1.3f}): [{self.start_frame:6d}, {self.length:6d}]"
  
file_path: NeMo/nemo/collections/asr/data/audio_to_ctm_dataset.py
imports: import json
  import os
  from dataclasses import dataclass
  from pathlib import Path
  from typing import Any, List, Tuple
  from nemo.collections.asr.data.audio_to_text_dataset import ASRPredictionWriter
  from nemo.utils import logging
label_desc: Use image node_id 1 for calling the FrameCtmUnit obj's underlying member method code with example usage: obj.__repr__() and returns: self, str, self, str, self, str, self, str