code: def maybe_import_libtpu():
      try:
          # pylint: disable=import-outside-toplevel
          # pytype: disable=import-error
          import libtpu
  
          # pytype: enable=import-error
          # pylint: enable=import-outside-toplevel
      except ImportError:
          return None
      else:
          return libtpu
  
imports: import os
  import warnings
  from jax._src import hardware_utils
label_desc: Use image node_id 1 for calling a global function with example usage: maybe_import_libtpu() and returns: libtpu, None