code: def _merge(self, from_uid, to_uid, verbose):
          
  
          if verbose:
              self.display('match.tmpl', uid=from_uid, match=to_uid)
  
          api.merge_unique_identities(self.db, from_uid.uuid, to_uid.uuid)
  
          if verbose:
              self.display('merge.tmpl', from_uuid=from_uid.uuid, to_uuid=to_uid.uuid)
docs: Merge unique identity uid on match