code: def test_valid_job(self):
      job = example_job()
      with job:
          with Task():
              # distributed_ctx_init_* ignored by analyzer
              ops.Add(
                  ["distributed_ctx_init_a", "distributed_ctx_init_b"]
              )
      # net_printer.analyze(example_job())
      print(net_printer.to_string(example_job()))
  
file_path: pytorch/caffe2/python/net_printer_test.py
imports: from caffe2.python import net_printer
  from caffe2.python.checkpoint import Job
  from caffe2.python.net_builder import ops
  from caffe2.python.task import Task, final_output, WorkspaceType
  import unittest
label_desc: Use image node_id 2 for calling the TestNetPrinter obj's underlying member method code with example usage: obj.test_valid_job() without return types