Method _IsExpandable

Lib/idlelib/tree.py:360–364

Do not override! Called by TreeNode.

(self)

    expandable = None

    def _IsExpandable(self):
        """Do not override!  Called by TreeNode."""
        if self.expandable is None:
            self.expandable = self.IsExpandable()
        return self.expandable

    def IsExpandable(self):
        """Return whether there are subitems."""