code: def get_client(self):
      if self.session_type == Constants.SessionType.UNVERIFIED:
          context_obj = ssl._create_unverified_context()
      else:
          # TODO: support verified context
          pass
      credentials = VimSessionOrientedStub.makeUserLoginMethod(
          self.user, self.password
      )
      smart_stub = SmartStubAdapter(
          host=self.server,
          port=self.port,
          sslContext=context_obj,
          connectionPoolTimeout=self.timeout,
      )
      session_stub = VimSessionOrientedStub(smart_stub, credentials)
      return vim.ServiceInstance("ServiceInstance", session_stub)
  
imports: import atexit
  import logging
  import ssl
  import time
  from enum import Enum
  from pyVim.connect import Disconnect, SmartStubAdapter, VimSessionOrientedStub
  from pyVim.task import WaitForTask
  from pyVmomi import vim, vmodl
  from ray.autoscaler._private.vsphere.utils import Constants, is_ipv4, singleton_client
label_desc: Use image node_id 2 for calling the PyvmomiSdkProvider obj's underlying member method code with example usage: obj.get_client() and returns: vim