bpo-36820: Break unnecessary cycle in socket.py, codeop.py and dyld.py (GH-13135)

Break cycle generated when saving an exception in socket.py, codeop.py and dyld.py as they keep alive not only the exception but user objects through the ``__traceback__`` attribute.


https://bugs.python.org/issue36820



Automerge-Triggered-By: @pablogsal

Mario Corchero committed 6y ago

b64334cb93d0ddbb551c8cd712942bab2fc72772

Parent: efefe25

Committed by Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> on 12/6/2019, 2:27:38 PM