code: def getline(self):
      if self.index >= len(self.lines):
          line = ""
      else:
          line = self.lines[self.index]
          self.index += 1
      return line
  
file_path: cpython/Tools/patchcheck/reindent.py
imports: import tokenize
  import os
  import shutil
  import sys
label_desc: Use image node_id 4 for calling the Reindenter obj's underlying member method code with example usage: obj.getline() and returns: line