code: def operator_stack_table(
      self,
      run,
      worker,
      span,
      op_name,
      group_by,
      input_shape,
      time_unit="ms",
  ):
      pass
  
imports: import json
  from .profiler_reader import ProfilerReader
  from visualdl.server.api import gen_result
  from visualdl.server.api import result
label_desc: Use image node_id 18 for calling the ProfilerApi obj's underlying member method code with example usage: obj.operator_stack_table(run, worker, span, op_name, group_by, input_shape, time_unit) without return types