code: def non_duplicate_data():
      return pd.DataFrame(dict(foo=[1, 2, 3], bar=[4, 5, 6]))
  
file_path: dtale/tests/dtale/test_duplicates.py
imports: import json
  import pandas
  import pytest
  from dtale.duplicate_checks import DuplicateCheck, NoDuplicatesException, NoDuplicatesToShowException, RemoveAllDataException
  from tests.dtale.test_views import app
  from tests.dtale import build_data_inst, build_dtypes
label_desc: Use image node_id 2 for calling a global function with example usage: non_duplicate_data() and returns: pd