def enable_constraint_checking(self):
        pass
Test is_local_address method works for python2.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/db/backends/__init__.py/BaseDatabaseWrapper.enable_constraint_checking--crossover with--dataset/ETHPy150Open uber/mutornadomon/tests/test_net.py/TestIsLocalAddress.test_is_local_address_works_with_python2