code: def get_asset_query_session(self, proxy):
          
          if not self.supports_asset_query():
              raise Unimplemented()
          try:
              from . import sessions
          except ImportError:
              raise  # OperationFailed()
          proxy = self._convert_proxy(proxy)
          try:
              session = sessions.AssetQuerySession(proxy=proxy, runtime=self._runtime)
          except AttributeError:
              raise  # OperationFailed()
          return session
docs: Gets an asset query session.
  
          arg     proxy (osid.proxy.Proxy): a proxy
          return: (osid.repository.AssetQuerySession) - an
                  AssetQuerySession
          raise:  OperationFailed - unable to complete request
          raise:  Unimplemented - supports_asset_query() is false
          compliance: optional - This method must be implemented if
                      supports_asset_query() is true.