  )
  from django.db.models.query_utils import RegisterLookupMixin
  from django.utils import timezone
  from django.utils.functional import cached_property
  from django.utils.six.moves import range
  
  
  class Lookup(object):
      lookup_name = None
 
</s> remove from django.test import TestCase, TransactionTestCase, skipUnlessDBFeature
 </s> add from django.test import (
    TestCase, TransactionTestCase, ignore_warnings, skipUnlessDBFeature,
)
from django.utils.deprecation import RemovedInDjango20Warning
from django.utils.deprecation import RemovedInDjango20Warning
  )
  from django.db.models.query_utils import RegisterLookupMixin
  from django.utils import timezone
from django.utils.deprecation import RemovedInDjango20Warning
  from django.utils.functional import cached_property
  from django.utils.six.moves import range
  
  
  class Lookup(object):
      lookup_name = None
keep keep add keep keep keep keep keep keep
 Fixed #26285 -- Deprecated the MySQL-specific __search lookup. 
django/db/models/lookups.py