def bprop(self, error, alpha=1.0, beta=0.0):
        pass
Grabs the application info from the user_info dictionary.
dataset/ETHPy150Open NervanaSystems/neon/neon/layers/layer.py/BranchNode.bprop--crossover with--dataset/ETHPy150Open google/macops/crankd/ApplicationUsage.py/ApplicationUsage.GetAppInfo