 black's other line
      split methods have been exhausted, this line (or one of the resulting
      lines after all line splits are performed) would still be over the
      line_length limit unless we split this string.
      AND

    * The target string is NOT a "pointless" string (i.e. a string that has
      no parent or siblings).
      AND

    * The target string is not followed by an inline comment that appears
      to be a pragma.
      AND

    * The target string is not a multiline (i.e. triple-quote) string.
