  from django.contrib.auth import models as auth
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  
  # No related name is needed here, since symmetrical relations are not
  # explicitly reversible.
  @python_2_unicode_compatible
 
</s> remove @python_2_unicode_compatible
 </s> add  </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 
  from django.contrib.auth import models as auth
  from django.db import models

  
  
  # No related name is needed here, since symmetrical relations are not
  # explicitly reversible.
  @python_2_unicode_compatible
keep keep replace keep keep keep keep keep
 Refs #23919 -- Removed python_2_unicode_compatible decorator usage 
tests/m2m_regress/models.py