[Python-Dev] cpython: #20145: assert[Raises|Warns]Regex now raise TypeError on bad regex.

[Antoine Pitrou]

On Sun, 23 Mar 2014 20:47:28 +0100 (CET)
r.david.murray <python-checkins at python.org> wrote:
> http://hg.python.org/cpython/rev/ec556e45641a
> changeset:   89936:ec556e45641a
> user:        R David Murray <rdmurray at bitdance.com>
> date:        Sun Mar 23 15:08:43 2014 -0400
> summary:
>   #20145: assert[Raises|Warns]Regex now raise TypeError on bad regex.
> 
> Previously a non-string, non-regex second argument could cause the test
> to always pass.

It seems like this would be useful to fix in 3.4 too.

Regards

Antoine.