code: def load_dump(self, wiki_dump):
      onlyfiles = []
      for _file in listdir(wiki_dump):
          file_path = join(wiki_dump, _file)
          if isfile(file_path):
              onlyfiles.append(file_path)
  
      json_dump_list = {}
      for _file in onlyfiles:
          json_dump_list.update(load_json_file(_file))
  
      dump_final = {}
      for key, value in json_dump_list.items():
          dump_final[key] = self.extract_json_values(value)
  
      return dump_final
  
file_path: nlp-architect/nlp_architect/data/cdc_resources/wikipedia/wiki_offline.py
imports: import logging
  from os import listdir
  from os.path import join, isfile
  from nlp_architect.data.cdc_resources.data_types.wiki.wikipedia_page import WikipediaPage
  from nlp_architect.data.cdc_resources.data_types.wiki.wikipedia_page_extracted_relations import WikipediaPageExtractedRelations
  from nlp_architect.data.cdc_resources.wikipedia.wiki_search_page_result import WikipediaSearchPageResult
  from nlp_architect.utils.io import load_json_file
label_desc: Use image node_id 4 for calling the WikiOffline obj's underlying member method code with example usage: obj.load_dump(wiki_dump) and returns: dump_final