def add_dependency(self, from_node, to_node):
        self.deps.setdefault(from_node, []).append(to_node)
Parse challenge and send response from the mechanism.
dataset/ETHPy150Open severb/flowy/flowy/tracer.py/ExecutionTracer.add_dependency--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/protocols/jabber/sasl.py/SASLInitiatingInitializer.onChallenge