  import re
  
  from django.db.backends.base.schema import BaseDatabaseSchemaEditor
  from django.db.utils import DatabaseError
  from django.utils import six
  from django.utils.text import force_text
  
  
  class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
  
 
</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 
  import re
  
  from django.db.backends.base.schema import BaseDatabaseSchemaEditor
  from django.db.utils import DatabaseError

  from django.utils.text import force_text
  
  
  class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
  
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/oracle/schema.py