docs: def actually_start_agent(self, descriptor, **kwargs):
          """
          This method will be run only on the master agency.
          """
          factory = IAgentFactory(
              applications.lookup_agent(descriptor.type_name))
          if factory.standalone:
              return self.start_standalone_agent(descriptor, factory, **kwargs)
          else:
              return self.start_agent_locally(descriptor, **kwargs)