code: def test_callable(self):
      try:
          callable
      except NameError:
          return  # No longer exists with Python 3.
      self.assertFalse(callable(self.lazy))
  
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 8 for calling the LazySetTestCase obj's underlying member method code with example usage: obj.test_callable() without return types