code: def is_env_present(cls) -> bool:
      return (
          running_in_cloud_tpu_vm
          and is_gce_env()
          and not is_multislice_gce_env()
      )
  
imports: from __future__ import annotations
  import os
  import re
  import socket
  import time
  from jax._src import clusters
  from jax._src.cloud_tpu_init import running_in_cloud_tpu_vm
label_desc: Use image node_id 1 for calling the SingleSliceGceTpuCluster obj's underlying member method code with example usage: obj.is_env_present(cls) and returns: unknown