  
  from django.utils.translation import ugettext_lazy as _
  from django.utils.translation import ungettext_lazy
  from rest_framework import status
  from rest_framework.compat import force_text
  import math
  
  
  def _force_text_recursive(data):
      """
 
</s> remove     smart_text, EmailValidator, MinValueValidator, MaxValueValidator,
 </s> add     EmailValidator, MinValueValidator, MaxValueValidator, </s> remove from rest_framework.compat import yaml, etree, StringIO, BytesIO
 </s> add from rest_framework.compat import yaml, etree </s> remove from django.utils.encoding import is_protected_type
 </s> add from django.utils.encoding import is_protected_type, smart_text
  
  from django.utils.translation import ugettext_lazy as _
  from django.utils.translation import ungettext_lazy
  from rest_framework import status

  import math
  
  
  def _force_text_recursive(data):
      """
keep keep keep keep replace keep keep keep keep keep
 Removed custom StringIO, force_text, smart_text compat 
rest_framework/exceptions.py