code: def test_implicit_conversion():
      a = Thread(m.test)
      b = Thread(m.test)
      c = Thread(m.test)
      for x in [a, b, c]:
          x.start()
      for x in [c, b, a]:
          x.join()
  
file_path: coremltools/deps/pybind11/tests/test_thread.py
imports: import threading
  from pybind11_tests import thread
label_desc: Use image node_id 1 for calling a global function with example usage: test_implicit_conversion() without return types