code: def __init__(self, testcase):
      self.testcase = testcase
      self.stack = []
      HookWatcher.__init__(self)
  
imports: import gc
  import pprint
  import sys
  import unittest
label_desc: Use image node_id 1 to create a new ProfileSimulator object from inherited base classes: HookWatcher with example: obj = ProfileSimulator(testcase)