code: def apply(self, code_lines):
      code_lines.insert(
          self._insertion_line,
          # Use some line from the file. This doesn't feel totally
          # random, but for the diff parser it will feel like it.
          code_lines[self._copy_line],
      )
  
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 2 for calling the LineCopy obj's underlying member method code with example usage: obj.apply(code_lines) without return types