code: def test_init_with_timedelta(self) -> None:
      datarange1d = DataRange1d(
          start=-dt.timedelta(seconds=5), end=dt.timedelta(seconds=3)
      )
      assert datarange1d.start == -dt.timedelta(seconds=5)
      assert datarange1d.end == dt.timedelta(seconds=3)
      assert datarange1d.bounds is None
  
imports: from __future__ import annotations
  import pytest
  import datetime
  from math import isnan
  from unittest import mock
  from bokeh.core.validation import check_integrity, process_validation_issues
  from _util_models import check_properties_existence
  from bokeh.models import Range1d, DataRange1d, FactorRange
label_desc: Use image node_id 3 for calling the Test_DataRange1d obj's underlying member method code with example usage: obj.test_init_with_timedelta() without return types