code: def test_convert_datetime_array_NaT() -> None:
      array = np.array(["NaT"], dtype="datetime64")
      assert np.array_equal(
          bus.convert_datetime_array(array),
          np.array([np.nan], dtype="float64"),
          equal_nan=True,
      )
  
      array = np.array(["NaT"], dtype="timedelta64")
      assert np.array_equal(
          bus.convert_datetime_array(array),
          np.array([np.nan], dtype="float64"),
          equal_nan=True,
      )
  
imports: from __future__ import annotations
  import pytest
  import datetime
  from math import inf, nan
  import numpy
  import pandas
  import pytz
  from tests.support.util.env import envset
  import bokeh.util.serialization
label_desc: Use image node_id 16 for calling a global function with example usage: test_convert_datetime_array_NaT() without return types