code: def test_import_tz_windows_star():
      from dateutil.tzwin import tzwin
      from dateutil.tzwin import tzwinlocal
  
      tzwin_all = [tzwin, tzwinlocal]
  
      for var in tzwin_all:
          assert var is not None
  
imports: import sys
  import pytest
label_desc: Use image node_id 20 for calling a global function with example usage: test_import_tz_windows_star() without return types