code: def count_indents_length_last_line(self, spacecount, tabs=0, back=5):
          
          if not self.has_space():
              return 0
          lines = self.get_surrounding_lines(back, 0)
  
          for line in reversed(lines):
              if not line.string.isspace():
                  return line.count_indents_length(spacecount, tabs)
          return (0, 0)
docs: Finds the last meaningful line and returns its indent level and
          character length.
          Back specifies the amount of lines to look back for a none whitespace
          line.