class_docstr: Helper for testing gRPC client logic with a dummy gRPC server.
class_docstr_tok: ["Helper","for","testing","gRPC","client","logic","with","a","dummy","gRPC","server","."]
code: def __init__(self, handler):
      super().__init__()
      self._handler = handler
  
imports: import contextlib
  import hashlib
  import threading
  import time
  from concurrent import futures
  import grpc
  from tensorboard.util import grpc_util
  from tensorboard.util import grpc_util_test_pb2
  from tensorboard.util import grpc_util_test_pb2_grpc
  from tensorboard.util import test_util
  from tensorboard import test
  from tensorboard import version
label_desc: Use image node_id 1 to create a new TestGrpcServer object from inherited base classes: grpc_util_test_pb2_grpc with example: obj = TestGrpcServer(handler)