code: def get(identifier):
      if hasattr(identifier, "__call__"):
          return identifier
      else:
          return get_from_module(identifier, globals(), "normalization")
  
file_path: tflearn/tflearn/layers/normalization.py
imports: from __future__ import division, print_function, absolute_import
  import tensorflow.compat.v1
  from tensorflow.python.training import moving_averages
  import tflearn
  from ..None import utils
  from ..None import variables
  from ..utils import get_from_module
label_desc: Use image node_id 1 for calling a global function with example usage: get(identifier) and returns: identifier, get_from_module