class_docstr: Statistics of uploading.
class_docstr_tok: ["Statistics","of","uploading","."]
docstr: Add a plugin.
  
  Args:
    plugin_name: Name of the plugin.
code: def add_plugin(self, plugin_name):
      """Add a plugin.
  
      Args:
        plugin_name: Name of the plugin.
      """
      self._refresh_last_data_added_timestamp()
      self._plugin_names.add(plugin_name)
  
imports: import contextlib
  from datetime import datetime
  import sys
  import time
label_desc: Use image node_id 5 for calling the UploadStats obj's underlying member method code with example usage: obj.add_plugin(plugin_name) without return types