  from collections import Counter, OrderedDict
  from urllib import parse
  
  from django.db import models
  from django.utils.encoding import force_str, smart_text
  
  from rest_framework import exceptions, serializers
  from rest_framework.compat import coreapi, coreschema, uritemplate
  from rest_framework.settings import api_settings
  from rest_framework.utils import formatting
 
</s> remove from rest_framework.utils import formatting
 </s> add  </s> remove import re
 </s> add 
from django.utils.encoding import force_str
  from collections import Counter, OrderedDict
  from urllib import parse
  
  from django.db import models
from django.utils.encoding import force_str
  
  from rest_framework import exceptions, serializers
  from rest_framework.compat import coreapi, coreschema, uritemplate
  from rest_framework.settings import api_settings
  from rest_framework.utils import formatting
keep keep keep keep replace keep keep keep keep keep
 OpenAPI: Ported docstring operation description from CoreAPI inspector. (#6898) 
rest_framework/schemas/coreapi.py