def dictionary_should_not_contain_key(self, dictionary, key, msg=None):
        default = "Dictionary contains key '%s'" % key
        _verify_condition(not dictionary.has_key(key), default, msg)
Load a proxy from an app.conf to get the memcache_ring
dataset/ETHPy150Open shellderp/sublime-robot-plugin/lib/robot/libraries/Collections.py/_Dictionary.dictionary_should_not_contain_key--crossover with--dataset/ETHPy150Open openstack/swift/test/unit/common/middleware/test_memcache.py/TestCacheMiddleware._loadapp