code: def test_bool(self):
      self.assertTrue(bool(self.lazy))
      self.assertFalse(bool(LazySet()))
      self.assertFalse(bool(LazySet(iter([]))))
  
imports: from operator import eq, ge, gt, le, lt, ne, add, concat, not_, sub, and_, or_, xor
  import os.path
  import sys
  import unittest
  import warnings
  from pytz.lazy import LazyList, LazySet
label_desc: Use image node_id 5 for calling the LazySetTestCase obj's underlying member method code with example usage: obj.test_bool() without return types