On Sat, May 19, 2018 at 2:51 AM, MRAB <pyt...@mrabarnett.plus.com> wrote: > I have the same version (Python 3.7.0b3). Here, sys has 'ps1' and 'ps2', but > not 'last_traceback', 'last_type' or 'last_value'.
They aren't there till they're needed: $ python3 Python 3.8.0a0 (heads/literal_eval-exception:ddcb2eb331, Feb 21 2018, 04:32:23) [GCC 6.3.0 20170516] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> sys.last_type Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: module 'sys' has no attribute 'last_type' >>> sys.last_type <class 'AttributeError'> ChrisA -- https://mail.python.org/mailman/listinfo/python-list
