  
  from django.db import router
  from django.db.models.query import QuerySet
  from django.utils import six
  from django.utils.encoding import python_2_unicode_compatible
  
  
  @python_2_unicode_compatible
  class BaseManager(object):
      # Tracks each time a Manager instance is created. Used to retain order.
 
</s> remove @python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add  </s> remove from django.utils.encoding import python_2_unicode_compatible
 </s> add 
  
  from django.db import router
  from django.db.models.query import QuerySet
  from django.utils import six

  
  
  @python_2_unicode_compatible
  class BaseManager(object):
      # Tracks each time a Manager instance is created. Used to retain order.
keep keep keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
django/db/models/manager.py