original_docstring:  Rewind so we can look at the last node again. 
docstring: Rewind so we can look at the last node again.
docstring_tokens: Rewind so we can look at the last node again .
code: def redo(self):
          ''' Rewind so we can look at the last node again. '''
  
          if len(self.stack) == 1:
              self.reset()
          else:
              self.stack.pop(-1)
              self.stack[-1]['index'] -= 1
code_tokens: def redo ( self ) : if len ( self . stack ) == 1 : self . reset ( ) else : self . stack . pop ( - 1 ) self . stack [ - 1 ] [ 'index' ] -= 1
short_docstring: Rewind so we can look at the last node again.
short_docstring_tokens: Rewind so we can look at the last node again .
comment: ''' Rewind so we can look at the last node again. '''