Mariatta Wijaya added the comment: How about
``` Because deep copy copies everything, it may copy too much, including the administrative data structures. ``` ? ---------- nosy: +Mariatta _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29506> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com