[issue8796] Deprecate codecs.open()

Change by Me01100Nobody <electro...@gmail.com>: -- nosy: +Me01100Nobody ___ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue8796> ___

[issue29564] ResourceWarning: suggest to enable tracemalloc in the message

Change by Me01100Nobody <electro...@gmail.com>: -- nosy: +Me01100Nobody ___ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue29564> ___