  import os
  import re
  
  from django.core.exceptions import ValidationError
  from django.utils import six
  from django.utils.deconstruct import deconstructible
  from django.utils.encoding import force_text
  from django.utils.functional import SimpleLazyObject
  from django.utils.ipv6 import is_valid_ipv6_address
  from django.utils.six.moves.urllib.parse import urlsplit, urlunsplit
 
</s> remove from django.utils import six
 </s> add  </s> remove from django.utils import lru_cache, six
 </s> add from django.utils import lru_cache </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add  </s> remove from django.utils import six
 </s> add 
  import os
  import re
  
  from django.core.exceptions import ValidationError

  from django.utils.deconstruct import deconstructible
  from django.utils.encoding import force_text
  from django.utils.functional import SimpleLazyObject
  from django.utils.ipv6 import is_valid_ipv6_address
  from django.utils.six.moves.urllib.parse import urlsplit, urlunsplit
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/core/validators.py