code: def memory(self, mem):
      self._kwargs["memory"] = mem
      return self
  
imports: import json
  import math
  import random
  import time
  from metaflow.tracing import inject_tracing_vars
  from metaflow.exception import MetaflowException
  from metaflow.metaflow_config import KUBERNETES_SECRETS
label_desc: Use image node_id 10 for calling the KubernetesJob obj's underlying member method code with example usage: obj.memory(mem) and returns: self