code: def ipopo_instances(self):
          
          try:
              with use_ipopo(self.__context) as ipopo:
                  return {
                      instance[0]: ipopo.get_instance_details(instance[0])
                      for instance in ipopo.get_instances()
                  }
          except BundleException:
              # iPOPO is not available:
              return None
docs: List of iPOPO instances