code: def __init__(self, fn):
      super().__init__()
      self.fn = fn
      self.e = None
  
file_path: coremltools/deps/pybind11/tests/test_thread.py
imports: import threading
  from pybind11_tests import thread
label_desc: Use image node_id 1 to create a new Thread object from inherited base classes: threading with example: obj = Thread(fn)