code: def _scan_and_build_vocab(self):
      from gensim.models import Phrases
  
      bigram_transformer = Phrases(
          CorpusAdapterForGensim.get_sentences(self.corpus)
      )
      try:
          self.model.scan_vocab(
              CorpusAdapterForGensim.get_sentences(self.corpus)
          )
      except:
          pass
      self.model.build_vocab(
          bigram_transformer[
              CorpusAdapterForGensim.get_sentences(self.corpus)
          ]
      )
  
imports: import itertools
  import warnings
  from collections import Counter
  from scattertext.ParsedCorpus import ParsedCorpus
label_desc: Use image node_id 1 for calling the Word2VecFromParsedCorpusBigrams obj's underlying member method code with example usage: obj._scan_and_build_vocab() without return types