  from django.core.exceptions import ImproperlyConfigured
  from django.db import utils
  from django.db.backends import utils as backend_utils
  from django.db.backends.base.base import BaseDatabaseWrapper
  from django.utils import six, timezone
  from django.utils.dateparse import (
      parse_date, parse_datetime, parse_duration, parse_time,
  )
  from django.utils.encoding import force_text
  
 
</s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone </s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone </s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone </s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone </s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone
from django.utils import timezone
  from django.core.exceptions import ImproperlyConfigured
  from django.db import utils
  from django.db.backends import utils as backend_utils
  from django.db.backends.base.base import BaseDatabaseWrapper
from django.utils import timezone
  from django.utils.dateparse import (
      parse_date, parse_datetime, parse_duration, parse_time,
  )
  from django.utils.encoding import force_text
  
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed six.<various>_types usage

Thanks Tim Graham and Simon Charette for the reviews. 
django/db/backends/sqlite3/base.py