code: def a_timestamp():
      return datetime.datetime.now()
  
file_path: neptune-client/tests/unit/neptune/legacy/random_utils.py
imports: import datetime
  import random
  import string
  import uuid
  import mock
  from neptune.legacy.projects import Project
label_desc: Use image node_id 4 for calling a global function with example usage: a_timestamp() and returns: datetime