code: def __init__(self, *args, **kwargs):
      super().__init__(*args, **kwargs)
      self.logdir = None
  
imports: import collections.abc
  import os.path
  import tensorflow
  from tensorboard import errors
  from tensorboard import context
  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.histogram import histograms_plugin
  from tensorboard.plugins.histogram import summary
  from tensorboard.util import test_util
label_desc: Use image node_id 1 to create a new HistogramsPluginTest object from inherited base classes: tf.test with example: obj = HistogramsPluginTest()