def fail(msg=None):
    raise unittest.TestCase.failureException(msg)
Recursively yield all child nodes of *node*, in no specified order.  This is
dataset/ETHPy150Open openstack/neutron/neutron/tests/tools.py/fail--crossover with--dataset/ETHPy150Open eBay/restcommander/play-1.2.4/python/Lib/ast.py/walk