code: def test_chrono_steady_clock():
      time1 = m.test_chrono5()
      assert isinstance(time1, datetime.timedelta)
  
file_path: coremltools/deps/pybind11/tests/test_chrono.py
imports: import datetime
  import pytest
  import env
  from pybind11_tests import chrono
label_desc: Use image node_id 8 for calling a global function with example usage: test_chrono_steady_clock() without return types