code: def test_bytes(isostr, dt):
      assert isoparse(isostr) == dt
  
imports: from __future__ import unicode_literals
  from datetime import datetime, timedelta, date, time
  import itertools
  from dateutil import tz
  from dateutil.tz import UTC
  from dateutil.parser import isoparser, isoparse
  import pytest
  import six
label_desc: Use image node_id 17 for calling a global function with example usage: test_bytes(isostr, dt) without return types