code: def arcticdb_path():
      return "lmdb:///{}".format(
          os.path.join(os.path.dirname(__file__), "data/arcticdb")
      )
  
imports: import getpass
  import os
  import random
  import string
  import unittest
  import numpy
  import pandas
  import pytest
  from pandas.tseries.offsets import Day
  from past.utils import old_div
  from six import PY3
label_desc: Use image node_id 3 for calling a global function with example usage: arcticdb_path() and returns: str