code: def load_plugin(self, run_names):
      logdir = self.get_temp_dir()
      for run_name in run_names:
          self.generate_run(logdir, run_name)
      multiplexer = event_multiplexer.EventMultiplexer(
          size_guidance={
              # don't truncate my test data, please
              tag_types.TENSORS: self._STEPS,
          }
      )
      multiplexer.AddRunsFromDirectory(logdir)
      multiplexer.Reload()
  
      provider = data_provider.MultiplexerDataProvider(
          multiplexer, logdir
      )
      ctx = base_plugin.TBContext(
          logdir=logdir,
          data_provider=provider,
      )
      return scalars_plugin.ScalarsPlugin(ctx)
  
imports: import csv
  import io
  import json
  import os.path
  import tensorflow
  from werkzeug import test
  from werkzeug import wrappers
  from tensorboard.backend import application
  from tensorboard.backend.event_processing import data_provider
  from tensorboard.backend.event_processing import plugin_event_multiplexer
  from tensorboard.backend.event_processing import tag_types
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.scalar import scalars_plugin
  from tensorboard.plugins.scalar import summary
  from tensorboard.util import test_util
label_desc: Use image node_id 1 for calling the ScalarsPluginTest obj's underlying member method code with example usage: obj.load_plugin(run_names) and returns: scalars_plugin