code: def get_repository(self):
          
          if self._lookup_session is None:
              mgr = get_provider_manager('REPOSITORY', runtime=self._runtime, proxy=self._proxy)
              self._lookup_session = mgr.get_repository_lookup_session(proxy=getattr(self, "_proxy", None))
          return self._lookup_session.get_repository(Id(self._my_map['id']))
docs: Gets the ``Repository`` at this node.
  
          return: (osid.repository.Repository) - the repository
                  represented by this node
          *compliance: mandatory -- This method must be implemented.*