code: def UpdateTrial(self, request, context):
      trial = self.oracle.update_trial(
          request.trial_id, request.metrics, step=request.step
      )
      return protos.get_service().UpdateTrialResponse(
          trial=trial.to_proto()
      )
  
imports: import os
  import time
  from concurrent import futures
  import grpc
  from keras_tuner import protos
  from keras_tuner.engine import hyperparameters
  from keras_tuner.engine import trial
  from keras_tuner.engine.oracle import synchronized
label_desc: Use image node_id 5 for calling the OracleServicer obj's underlying member method code with example usage: obj.UpdateTrial(request, context) and returns: protos