code: def elapsed_since(time):
      return datetime.now() - time
  
imports: from __future__ import unicode_literals
  import importlib
  import json
  import numbers
  import re
  from builtins import bytes, str
  from datetime import datetime
  from functools import wraps
  from pathlib import Path
  from future.utils import text_type
  from snips_nlu.constants import END, ENTITY_KIND, RES_MATCH_RANGE, RES_VALUE, START
  from snips_nlu.exceptions import NotTrained, PersistingError
label_desc: Use image node_id 4 for calling a global function with example usage: elapsed_since(time) and returns: unknown