class_docstr: Replacement for QGraphicsItemGroup
code: def __init__(self, *args):
      GraphicsObject.__init__(self, *args)
      self.setFlag(self.GraphicsItemFlag.ItemHasNoContents)
  
file_path: pyqtgraph/pyqtgraph/graphicsItems/ItemGroup.py
imports: from ..Qt import QtCore
  from .GraphicsObject import GraphicsObject
label_desc: Use image node_id 1 to create a new ItemGroup object from inherited base classes: GraphicsObject with example: obj = ItemGroup()