  This gives us better separation of concerns, allows us to use single-step
  object creation, and makes it possible to switch between using the implicit
  `ModelSerializer` class and an equivelent explicit `Serializer` class.
  """
  from django.core.exceptions import ValidationError
  from django.utils.translation import ugettext_lazy as _
  from rest_framework.utils.representation import smart_repr
  
  
  class UniqueValidator:
 
</s> remove from rest_framework.validators import UniqueTogetherValidator
 </s> add from rest_framework.validators import (
    UniqueForDateValidator, UniqueTogetherValidator
) </s> remove             if getattr(validator, 'requires_context', False):
                validator.serializer_field = self
 </s> add             if hasattr(validator, 'set_context'):
                validator.set_context(self)

  This gives us better separation of concerns, allows us to use single-step
  object creation, and makes it possible to switch between using the implicit
  `ModelSerializer` class and an equivelent explicit `Serializer` class.
  """

  from django.utils.translation import ugettext_lazy as _
  from rest_framework.utils.representation import smart_repr
  
  
  class UniqueValidator:
keep keep keep keep replace keep keep keep keep keep
 First pass at unique_for_date, unique_for_month, unique_for_year 
rest_framework/validators.py