code: def test_init_with_keyword_arguments(self) -> None:
      range1d = Range1d(start=1, end=2)
      assert range1d.start == 1
      assert range1d.end == 2
      assert range1d.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 8 for calling the Test_Range1d obj's underlying member method code with example usage: obj.test_init_with_keyword_arguments() without return types