class_docstr: Scalars Plugin for TensorBoard.
code: def get_plugin_apps(self):
      return {
          "/scalars": self.scalars_route,
          "/scalars_multirun": self.scalars_multirun_route,
          "/tags": self.tags_route,
      }
  
imports: import csv
  import io
  import werkzeug.exceptions
  from werkzeug import wrappers
  from tensorboard import errors
  from tensorboard import plugin_util
  from tensorboard.backend import http_util
  from tensorboard.data import provider
  from tensorboard.plugins import base_plugin
  from tensorboard.plugins.scalar import metadata
label_desc: Use image node_id 2 for calling the ScalarsPlugin obj's underlying member method code with example usage: obj.get_plugin_apps() and returns: dict