code: def create_namespace(self):
      namespace = client.V1Namespace(
          api_version="v1",
          kind="Namespace",
          metadata=client.V1ObjectMeta(name=self.namespace),
      )
  
      try:
          self.corev1_api.create_namespace(namespace)
      except client.rest.ApiException as e:
          raise RuntimeError(
              "Failed to create namesapce. Got exception: {}".format(e)
          )
  
file_path: coach/rl_coach/tests/test_eks.py
imports: import argparse
  import pytest
  import time
  from kubernetes import client, config
label_desc: Use image node_id 3 for calling the EKSHandler obj's underlying member method code with example usage: obj.create_namespace() without return types