code: def _hash_platform(hash_obj, backend):
      _hash_string(hash_obj, backend.platform)
      _hash_string(hash_obj, backend.platform_version)
      _hash_string(hash_obj, backend.runtime_type)
  
imports: import copy
  import hashlib
  import io
  import logging
  import os
  import sys
  from jax._src import config
  from jax._src.lib import version_str
  from jax._src.lib import xla_client
  from jax._src.lib.mlir import ir
  from jax._src.lib.mlir import passmanager
  import numpy
label_desc: Use image node_id 12 for calling a global function with example usage: _hash_platform(hash_obj, backend) without return types