  """
  from django.utils.translation import ugettext_lazy as _
  from rest_framework.utils.representation import smart_repr
  
  
  class UniqueValidator:
      """
      Validator that corresponds to `unique=True` on a model field.
 
</s> remove from django.core.exceptions import ValidationError
 </s> add  </s> remove     # Validators with `requires_context` will have the field instance
    # passed to them when the field is instantiated.
    requires_context = True
 </s> add  </s> remove from rest_framework.validators import UniqueTogetherValidator
 </s> add from rest_framework.validators import (
    UniqueForDateValidator, UniqueTogetherValidator
)
from rest_framework.exceptions import ValidationError
  """
  from django.utils.translation import ugettext_lazy as _
from rest_framework.exceptions import ValidationError
  from rest_framework.utils.representation import smart_repr
  
  
  class UniqueValidator:
      """
      Validator that corresponds to `unique=True` on a model field.
keep add keep keep keep keep keep keep
 First pass at unique_for_date, unique_for_month, unique_for_year 
rest_framework/validators.py