code: def test_delattr(self):
      mod = deferred.Deferred(ExampleModule)
      mod()
      self.assertTrue(hasattr(mod.target, "w"))
      del mod.w
      self.assertFalse(hasattr(mod.target, "w"))
  
imports: from sonnet.src import base
  from sonnet.src import deferred
  from sonnet.src import test_utils
  import tensorflow
label_desc: Use image node_id 7 for calling the DeferredTest obj's underlying member method code with example usage: obj.test_delattr() without return types