code: def redo(self, grammar, debugger, only_last, print_code):
      mods = self._file_modifications
      if only_last is not None:
          mods = mods[-only_last:]
      self._run(grammar, mods, debugger, print_code=print_code)
  
imports: from __future__ import print_function
  import logging
  import sys
  import os
  import random
  import pickle
  import parso
  from parso.utils import split_lines
  from test.test_diff_parser import _check_error_leaves_nodes
label_desc: Use image node_id 3 for calling the FileTests obj's underlying member method code with example usage: obj.redo(grammar, debugger, only_last, print_code) without return types