message: fix line too long 81 -> 80
diff: @@ -357,7 +357,8 @@ class CollectiveOpTest(test.TestCase):
  group_key = 1
  instance_key = 123
  with self.session(
  - config=config_pb2.ConfigProto(device_count={'CPU': group_size})) as sess:
  + config=config_pb2.ConfigProto(device_count={'CPU': group_size})
  + ) as sess:
  with ops.device('/CPU:0'):
  in0 = array_ops.placeholder(dtype=dtypes.int32, shape=[None])
  c0 = collective_ops.all_gather(in0, group_size, group_key, instance_key)
  