code: def __init__(self, name, classes, file):
      self.name = name
      self.classes = classes
      self.file = file
      try:
          self.cl = self.classes[self.name]
      except (IndexError, KeyError):
          self.cl = None
      self.isfunction = isinstance(self.cl, pyclbr.Function)
  
imports: import os
  import sys
  import pyclbr
  from idlelib import PyShell
  from idlelib.WindowList import ListedToplevel
  from idlelib.TreeWidget import TreeNode, TreeItem, ScrolledCanvas
  from idlelib.configHandler import idleConf
label_desc: Use image node_id 1 to create a new ClassBrowserTreeItem object from inherited base classes: TreeItem with example: obj = ClassBrowserTreeItem(name, classes, file)