code: def _get_num_slurm_tasks():
      """Returns the number of SLURM tasks of the current job step.
  
      Returns:
        The number of tasks as an int
      """
      return int(_get_slurm_var("STEP_NUM_TASKS"))
  
imports: import os
  import re
  import subprocess
  from tensorflow.python.distribute.cluster_resolver.cluster_resolver import ClusterResolver
  from tensorflow.python.distribute.cluster_resolver.cluster_resolver import format_master_url
  from tensorflow.python.training.server_lib import ClusterSpec
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 4 for calling a global function with example usage: _get_num_slurm_tasks() and returns: int