code: def get_test_corpus():
      df = pd.DataFrame(
          data=np.array(get_docs_categories_semiotic()).T,
          columns=["category", "text"],
      )
      corpus = CorpusFromPandas(
          df, "category", "text", nlp=whitespace_nlp
      ).build()
      return corpus
  
file_path: scattertext/scattertext/test/test_semioticSquare.py
imports: from unittest import TestCase
  import pandas
  import numpy
  from scattertext import SemioticSquare
  from scattertext.CorpusFromPandas import CorpusFromPandas
  from scattertext.WhitespaceNLP import whitespace_nlp
  from scattertext.semioticsquare.SemioticSquare import EmptyNeutralCategoriesError
label_desc: Use image node_id 2 for calling a global function with example usage: get_test_corpus() and returns: corpus