code: def _rms_norm(tensor):
      return tensor.abs().pow(2).mean().sqrt()
  
imports: from enum import Enum
  import math
  import numpy
  import torch
  import warnings
  from .event_handling import combine_event_functions
label_desc: Use image node_id 3 for calling a global function with example usage: _rms_norm(tensor) and returns: tensor