def cmd_kill(self, conn):
        exit(0)
test that we warn on assign of 'b' to a C, since this adds
dataset/ETHPy150Open beetbox/beets/beetsplug/bpd/__init__.py/BaseServer.cmd_kill--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/test/orm/inheritance/test_basic.py/PolymorphicAttributeManagementTest.test_invalid_assignment_downwards