class_docstr: This class extract relations, objects or triplets from Wikidata HDT file.
class_docstr_tok: ["This","class","extract","relations",",","objects","or","triplets","from","Wikidata","HDT","file","."]
code: def merge_combs(comb1, comb2):
      new_comb = {}
      for key in comb1:
          if (
              key in comb2 and comb1[key] == comb2[key]
          ) or key not in comb2:
              new_comb[key] = comb1[key]
      for key in comb2:
          if (
              key in comb1 and comb2[key] == comb1[key]
          ) or key not in comb1:
              new_comb[key] = comb2[key]
      return new_comb
  
imports: import datetime
  import re
  from collections import namedtuple
  from logging import getLogger
  from typing import List, Tuple, Dict, Any, Union
  from hdt import HDTDocument
  from deeppavlov.core.commands.utils import expand_path
  from deeppavlov.core.common.file import load_pickle, read_json
  from deeppavlov.core.common.registry import register
label_desc: Use image node_id 6 for calling the WikiParser obj's underlying member method code with example usage: obj.merge_combs(comb1, comb2) and returns: new_comb