code: def test_utils_within_delta_with_negative_delta():
      d1 = datetime(2016, 1, 1)
      d2 = datetime(2015, 12, 31)
  
      assert within_delta(d2, d1, timedelta(days=-1))
  
file_path: catboost/contrib/python/python-dateutil/py2/dateutil/test/test_utils.py
imports: from __future__ import unicode_literals
  from datetime import timedelta, datetime
  from dateutil import tz
  from dateutil import utils
  from dateutil.tz import UTC
  from dateutil.utils import within_delta
  from freezegun import freeze_time
label_desc: Use image node_id 7 for calling a global function with example usage: test_utils_within_delta_with_negative_delta() without return types