code: def real_target_not_related(set_random_seed):
      return pd.Series(np.random.normal(0, 1, 250))
  
imports: import numpy
  import pandas
  import pytest
  from tsfresh.defaults import TEST_FOR_BINARY_TARGET_REAL_FEATURE
  from tsfresh.feature_selection.significance_tests import target_binary_feature_binary_test, target_binary_feature_real_test, target_real_feature_binary_test, target_real_feature_real_test
label_desc: Use image node_id 5 for calling a global function with example usage: real_target_not_related(set_random_seed) and returns: pd