code: def testSparseJob(self):
      server = server_lib.Server({"local": {37: "localhost:0"}})
      with ops.device("/job:local/task:37"):
          a = constant_op.constant(1.0)
  
      with session.Session(server.target) as sess:
          self.assertEqual(1.0, self.evaluate(a))
  
file_path: tensorflow/tensorflow/python/training/server_lib_sparse_job_test.py
imports: from tensorflow.python.client import session
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 1 for calling the SparseJobTest obj's underlying member method code with example usage: obj.testSparseJob() without return types