code: def update_state_active(self):
          
          # Update state to active
          self.update_state(self.links[REF_UPDATE_STATE_ACTIVE], {'type' : RUN_ACTIVE})
          # Returned refreshed verion of the handle
          return self.refresh()
docs: Update the state of the model run to active.
  
          Raises an exception if update fails or resource is unknown.
  
          Returns
          -------
          ModelRunHandle
              Refreshed run handle.