  python primitives.
  2. The process of marshalling between python primitives and request and
  response content is handled by parsers and renderers.
  """
  from __future__ import unicode_literals
  
  import copy
  import inspect
  import traceback
  from collections import OrderedDict
  
 
</s> remove from __future__ import unicode_literals

 </s> add  </s> remove from __future__ import unicode_literals

 </s> add  </s> remove from __future__ import unicode_literals

 </s> add  </s> remove from __future__ import unicode_literals

 </s> add  </s> remove 
from __future__ import unicode_literals

 </s> add 
  python primitives.
  2. The process of marshalling between python primitives and request and
  response content is handled by parsers and renderers.
  """


  import copy
  import inspect
  import traceback
  from collections import OrderedDict
  
keep keep keep keep replace replace keep keep keep keep keep
 Dropped Python 2 compatibility. (#6615)

Thanks to Jon Dufresne (@jdufresne) for review.

Co-authored-by: Asif Saif Uddin <auvipy@gmail.com>
Co-authored-by: Rizwan Mansuri <Rizwan@webbyfox.com> 
rest_framework/serializers.py