code: def _get_seasonal_keys():
      return [freq for freq, _ in SeasonalPeriod.__members__.items()]
  
file_path: pycaret/tests/test_time_series_utils.py
imports: import numpy
  import pandas
  import pytest
  from pycaret.utils.time_series import SeasonalPeriod, clean_time_index, remove_harmonics_from_sp
label_desc: Use image node_id 2 for calling a global function with example usage: _get_seasonal_keys() and returns: unknown