New submission from mesheb82: When I run the following code on Windows/Linux for < Python 3.6, I have no problems. When I run in Python 3.6.0, I get the subsequent traceback.
I checked the release notes and only saw the following struct module note related to half-floats: Issue #11734 from struct import Struct import copy this_fails = Struct('<i') copy.deepcopy(this_fails) Traceback (most recent call last): File "test_script.py", line 12, in <module> copy.deepcopy(this_fails) File "F:\Anaconda\envs\py36\lib\copy.py", line 169, in deepcopy rv = reductor(4) TypeError: can't pickle Struct objects To be clear, I'm copying struct objects as part of a larger class. As I'm running many function calls where I create the same struct objects, saving the common struct objects allows me to get a factor of 2x speedup on my code. Deleting the saved struct objects at the end of file reading (and before the deepcopy takes place) fixes the problem. ---------- components: Windows messages: 288401 nosy: mesheb82, paul.moore, steve.dower, tim.golden, zach.ware priority: normal severity: normal status: open title: struct objects can no longer be pickled type: crash versions: Python 3.6 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29628> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com