code: def calendar():
      """Fixture for GB holidays."""
      from holidays import country_holidays
  
      return country_holidays(country="GB")
  
file_path: sktime/sktime/transformations/series/holiday/tests/test_holidays.py
imports: import numpy
  import pandas
  import pytest
  from pandas.testing import assert_frame_equal
  from sktime.transformations.series.holiday._holidayfeats import HolidayFeatures
  from sktime.utils.validation._dependencies import _check_soft_dependencies
label_desc: Use image node_id 1 for calling a global function with example usage: calendar() and returns: country_holidays