code: def load(self):
      with open(str(expand_path(self.words_dict_filename)), "rb") as fl:
          self.words_dict = pickle.load(fl)
      words_list = list(self.words_dict.keys())
      self.words_list = sorted(words_list)
  
      loader = np.load(
          str(expand_path(self.ngrams_matrix_filename)),
          allow_pickle=True,
      )
      self.count_matrix = Sparse(
          (loader["data"], loader["indices"], loader["indptr"]),
          shape=loader["shape"],
      )
  
file_path: DeepPavlov/deeppavlov/models/entity_extraction/find_word.py
imports: import itertools
  import pickle
  from collections import Counter
  import numpy
  import scipy
  from deeppavlov.core.commands.utils import expand_path
label_desc: Use image node_id 2 for calling the WordSearcher obj's underlying member method code with example usage: obj.load() without return types