code: def create_namespace(
      self, tenant: str, namespace: str, policies: dict = {}
  ):
      session = self._create_session()
      response = session.put(
          self.service_url
          + "namespaces/{}/{}".format(tenant, namespace),
          data=json.dumps(policies),
      )
      return response
  
imports: import json
  import logging
  import requests
  from requests.adapters import HTTPAdapter
  from urllib3.util.retry import Retry
label_desc: Use image node_id 13 for calling the PulsarManager obj's underlying member method code with example usage: obj.create_namespace(tenant, namespace, policies) and returns: response