code: def build_vocab(self, *args):
      pass
  
file_path: scattertext/scattertext/test/test_embeddingsResolver.py
imports: import pandas
  from unittest import TestCase
  import numpy
  from sklearn.decomposition import TruncatedSVD
  from scattertext import EmbeddingsResolver, ClassPercentageCompactor, CorpusFromPandas, whitespace_nlp, CorpusFromParsedDocuments, ParsedCorpus
  from scattertext.test.test_CorpusFromParsedDocuments import build_term_doc_matrix
  from scattertext.test.test_corpusFromPandas import get_docs_categories
label_desc: Use image node_id 3 for calling the MockWord2Vec obj's underlying member method code with example usage: obj.build_vocab() without return types