code: def get(identifier):
      if hasattr(identifier, "__call__"):
          return identifier
      else:
          return get_from_module(identifier, globals(), "distances")
  
imports: from __future__ import division, print_function, absolute_import
  import tensorflow.compat.v1
  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