class_docstr: Helper object for computing CREPE-based f0 metrics.
  
  Note that batch operations are not possible when CREPE has viterbi argument
  set to True.
class_docstr_tok: ["Helper","object","for","computing","CREPE-based","f0","metrics",".","Note","that","batch","operations","are","not","possible","when","CREPE","has","viterbi","argument","set","to","True","."]
docstr: Perform additional step of resetting CREPE.
docstr_tok: ["Perform","additional","step","of","resetting","CREPE","."]
code: def flush(self, step):
      """Perform additional step of resetting CREPE."""
      super().flush(step)
      ddsp.spectral_ops.reset_crepe()
  
imports: import dataclasses
  from absl import logging
  import ddsp
  import librosa
  import mir_eval
  import note_seq
  from note_seq import sequences_lib
  import numpy
  import tensorflow.compat.v2
label_desc: Use image node_id 4 for calling the F0CrepeMetrics obj's underlying member method code with example usage: obj.flush(step) without return types