  from django.contrib.postgres.validators import (
      ArrayMaxLengthValidator, ArrayMinLengthValidator,
  )
  from django.core.exceptions import ValidationError
  from django.utils import six
  from django.utils.safestring import mark_safe
  from django.utils.translation import ugettext_lazy as _
  
  from ..utils import prefix_validation_error
  
 
</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  </s> remove from django.utils import six, timezone
 </s> add from django.utils import timezone </s> remove from django.utils import six
 </s> add 
  from django.contrib.postgres.validators import (
      ArrayMaxLengthValidator, ArrayMinLengthValidator,
  )
  from django.core.exceptions import ValidationError

  from django.utils.safestring import mark_safe
  from django.utils.translation import ugettext_lazy as _
  
  from ..utils import prefix_validation_error
  
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/contrib/postgres/forms/array.py