New submission from then0rTh: Passing empty sequence to random.choice function leads to:
Traceback (most recent call last): ... ValueError: number of bits must be greater than zero During handling of the above exception, another exception occurred: Traceback (most recent call last): ... IndexError: Cannot choose from an empty sequence * the ValueError doesn't add any useful information, only bloats stderr * the "During handling" line indicates that something went wrong inside random.py This patch uses `raise x from None` to hide the ValueError, resulting in much cleaner output. -Tested on Python 3.7.0a0 ---------- components: Library (Lib) files: random_choice_errmsg.patch keywords: patch messages: 283884 nosy: mark.dickinson, rhettinger, then0rTh priority: normal severity: normal status: open title: random.choice on empty sequence should hide previous exception [patch] type: behavior versions: Python 3.7 Added file: http://bugs.python.org/file46007/random_choice_errmsg.patch _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29055> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
