class_docstr: Wrapper around a TreeWidget's invisible root item that calls
  TreeWidget.informTreeWidgetChange when child items are added/removed.
class_docstr_tok: ["Wrapper","around","a","TreeWidget","'s","invisible","root","item","that","calls","TreeWidget.informTreeWidgetChange","when","child","items","are","added\/removed","."]
code: def __init__(self, item):
      self._real_item = item
  
imports: from ..Qt import QtCore, QtWidgets
label_desc: Use image node_id 1 to create a new InvisibleRootItem object from inherited base classes: object with example: obj = InvisibleRootItem(item)