[docs] [issue9538] Replace confusing pseudoname 'object' in special methods section.

Change by Irit Katriel <iritkatriel@yahoo.com>: ---------- versions: +Python 3.10, Python 3.8, Python 3.9 -Python 3.3, Python 3.4 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue9538> _______________________________________