code: def __init__(self, hyp_str, ref_str, verbose=True):
      self.ed_ = EditDistance(False)
      self.id2oracle_errs_ = {}
      self.utts_ = 0
      self.words_ = 0
      self.insertions_ = 0
      self.deletions_ = 0
      self.substitutions_ = 0
  
      self.process(["dummy_str", hyp_str, ref_str])
  
      if verbose:
          print("'%s' vs '%s'" % (hyp_str, ref_str))
          self.report_result()
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import re
  from collections import deque
  from enum import Enum
  import numpy
label_desc: Use image node_id 1 to create a new WERTransformer object from inherited base classes: object with example: obj = WERTransformer(hyp_str, ref_str, verbose)