code: def __init__(self):
      self.segs = []
      self.start = -1
      self.end = -1
  
imports: import argparse
  import math
  import os
  import sys
  import music21
  from espnet2.fileio.score_scp import SingingScoreWriter, XMLReader
label_desc: Use image node_id 1 to create a new SegInfo object from inherited base classes: object with example: obj = SegInfo()