code: def make_stub(channel):
      """Wraps a gRPC channel with a service stub."""
      return data_provider_pb2_grpc.TensorBoardDataProviderStub(channel)
  
imports: import collections
  import contextlib
  import grpc
  from tensorboard.util import tensor_util
  from tensorboard.util import timing
  from tensorboard import errors
  from tensorboard.data import provider
  from tensorboard.data.proto import data_provider_pb2
  from tensorboard.data.proto import data_provider_pb2_grpc
label_desc: Use image node_id 1 for calling a global function with example usage: make_stub(channel) and returns: data_provider_pb2_grpc