code: def _scalar_time_series(
      self,
      max_step,
      max_wall_time,
      plugin_content,
      description,
      display_name,
      last_value,
  ):
      # Helper to use explicit kwargs.
      return provider.ScalarTimeSeries(
          max_step=max_step,
          max_wall_time=max_wall_time,
          plugin_content=plugin_content,
          description=description,
          display_name=display_name,
          last_value=last_value,
      )
  
imports: import numpy
  from tensorboard import test
  from tensorboard.data import provider
label_desc: Use image node_id 1 for calling the ScalarTimeSeriesTest obj's underlying member method code with example usage: obj._scalar_time_series(max_step, max_wall_time, plugin_content, description, display_name, last_value) and returns: provider