code: def rootdir():
      return os.path.dirname(os.path.abspath(__file__))
  
file_path: finta/tests/test_utils_unit.py
imports: import pytest
  import os
  from pandas import DataFrame, Series
  from finta import TA
  from finta.utils import to_dataframe, resample, trending_down, trending_up
  import numpy
  import json
label_desc: Use image node_id 1 for calling a global function with example usage: rootdir() and returns: os