code: def EndTrial(self, request, context):
      trial = trial_module.Trial.from_proto(request.trial)
      self.oracle.end_trial(trial)
      return protos.get_service().EndTrialResponse()
  
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 6 for calling the OracleServicer obj's underlying member method code with example usage: obj.EndTrial(request, context) and returns: protos