code: def test_import_rrule_all():
      from dateutil.rrule import rrule
      from dateutil.rrule import rruleset
      from dateutil.rrule import rrulestr
      from dateutil.rrule import YEARLY, MONTHLY, WEEKLY, DAILY
      from dateutil.rrule import HOURLY, MINUTELY, SECONDLY
      from dateutil.rrule import MO, TU, WE, TH, FR, SA, SU
  
      rr_all = (
          rrule,
          rruleset,
          rrulestr,
          YEARLY,
          MONTHLY,
          WEEKLY,
          DAILY,
          HOURLY,
          MINUTELY,
          SECONDLY,
          MO,
          TU,
          WE,
          TH,
          FR,
          SA,
          SU,
      )
  
      for var in rr_all:
          assert var is not None
  
      # In the public interface but not in all
      from dateutil.rrule import weekday
  
      assert weekday is not None
  
imports: import sys
  import pytest
label_desc: Use image node_id 14 for calling a global function with example usage: test_import_rrule_all() without return types