class_docstr: TreeWidgetItem that keeps track of its own widgets and expansion state.
  
    * Widgets may be added to columns before the item is added to a tree.
    * Expanded state may be set before item is added to a tree.
    * Adds setCheked and isChecked methods.
    * Adds addChildren, insertChildren, and takeChildren methods.
class_docstr_tok: ["TreeWidgetItem","that","keeps","track","of","its","own","widgets","and","expansion","state",".","*","Widgets","may","be","added","to","columns","before","the","item","is","added","to","a","tree",".","*","Expanded","state","may","be","set","before","item","is","added","to","a","tree",".","*","Adds","setCheked","and","isChecked","methods",".","*","Adds","addChildren",",","insertChildren",",","and","takeChildren","methods","."]
code: def removeWidget(self, column):
      del self._widgets[column]
      tree = self.treeWidget()
      if tree is None:
          return
      tree.removeItemWidget(self, column)
  
imports: from ..Qt import QtCore, QtWidgets
label_desc: Use image node_id 7 for calling the TreeWidgetItem obj's underlying member method code with example usage: obj.removeWidget(column) without return types