code: def __init__(self, **opts):
      opts.setdefault("button", {})
      super().__init__(**opts)
  
file_path: pyqtgraph/pyqtgraph/parametertree/parameterTypes/actiongroup.py
imports: import warnings
  from ...Qt import QtCore
  from .action import ParameterControlledButton
  from .basetypes import GroupParameter, GroupParameterItem
  from ..ParameterItem import ParameterItem
  from ...Qt import QtCore, QtWidgets
label_desc: Use image node_id 1 to create a new ActionGroupParameter object from inherited base classes: GroupParameter with example: obj = ActionGroupParameter()