code: def setUp(self):
      super().setUp()
      tf.compat.v1.reset_default_graph()
      np.random.seed(1)
  
imports: import numpy
  import tensorflow
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.pr_curve import metadata
  from tensorboard.plugins.pr_curve import summary
  from tensorboard.util import tensor_util
  from tensorboard.util import test_util
label_desc: Use image node_id 1 for calling the StreamingOpTest obj's underlying member method code with example usage: obj.setUp() without return types