  """
  
  # flake8: noqa
  from __future__ import unicode_literals
  from django.core.exceptions import ImproperlyConfigured
  from django.conf import settings
  from django.db import connection, transaction
  from django.utils.encoding import force_text
  from django.utils.six.moves.urllib.parse import urlparse as _urlparse
  from django.utils import six
 
</s> remove from django.utils import six
import django
import inspect
 </s> add  </s> remove from django.core.exceptions import ObjectDoesNotExist
from django.core.exceptions import ValidationError as DjangoValidationError
from django.core.validators import RegexValidator, ip_address_validators
from django.forms import ImageField as DjangoImageField
 </s> add  </s> remove from django.core.exceptions import ImproperlyConfigured
from django.db import models
 </s> add import operator
from functools import reduce

import inspect

import django
from django.utils import six
  """
  
  # flake8: noqa
  from __future__ import unicode_literals
import inspect

import django
from django.utils import six
  from django.conf import settings
  from django.db import connection, transaction
  from django.utils.encoding import force_text
  from django.utils.six.moves.urllib.parse import urlparse as _urlparse
  from django.utils import six
keep keep keep keep replace keep keep keep keep keep
 Cleanup import following PEP 8 style guide 
rest_framework/compat.py