code: def test_nano_timepoint():
      time = datetime.datetime.now()
      time1 = m.test_nano_timepoint(
          time, datetime.timedelta(seconds=60)
      )
      assert time1 == time + datetime.timedelta(seconds=60)
  
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 11 for calling a global function with example usage: test_nano_timepoint() without return types