code: def _process_group_mpo_row(self, row):
          
          omia_id = 'OMIA:' + row['omia_id']
          mpo_num = int(row['MPO_no'])
          mpo_id = 'MP:' + str(mpo_num).zfill(7)
  
          assoc = D2PAssoc(self.graph, self.name, omia_id, mpo_id)
          assoc.add_association_to_graph()
  
          return
docs: Make OMIA to MP associations
          :param row:
          :return: