code: def __exit__(self, *args):
      indent = self.printer._indent[: -len(self.indent)]
  
      self.printer._indent = indent
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ...asttools import Visitor
  import sys
  import _ast
  from warnings import warn
label_desc: Use image node_id 3 for calling the Indentor obj's underlying member method code with example usage: obj.__exit__() without return types