  from django.contrib.postgres import forms, lookups
  from django.contrib.postgres.fields.array import ArrayField
  from django.core import exceptions
  from django.db.models import Field, TextField, Transform
  from django.utils import six
  from django.utils.encoding import force_text
  from django.utils.translation import ugettext_lazy as _
  
  __all__ = ['HStoreField']
  
 
</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
 </s> add  </s> remove from django.utils import six
 </s> add 
  from django.contrib.postgres import forms, lookups
  from django.contrib.postgres.fields.array import ArrayField
  from django.core import exceptions
  from django.db.models import Field, TextField, Transform

  from django.utils.encoding import force_text
  from django.utils.translation import ugettext_lazy as _
  
  __all__ = ['HStoreField']
  
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/fields/hstore.py