code: def find(self, instance_id):
          
          instance = AtlasServiceInstance.Instance(instance_id, self.backend)
          self.backend.storage.populate(instance)
          return instance
docs: find an instance
          
          Create a new instance and populate it with data stored if it exists.
          
          Args:
              instance_id (str): UUID of the instance
          
          Returns:
              AtlasServiceInstance.Instance: An instance