[Python-Dev] Proposal: go back to enabling DeprecationWarning by default

[Lukasz Langa]

> On 5 Nov, 2017, at 6:29 PM, Oleg Broytman <phd at phdru.name> wrote:
> 
> On Sun, Nov 05, 2017 at 09:20:12PM -0500, Yury Selivanov <yselivanov.ml at gmail.com> wrote:
>> Big +1 from me.  The whole point of DeprecationWarnings is to be
>> visible
> 
> The whole point of DeprecationWarnings is to be visible to
> developers while in reality they will be visible to users -- and what
> the users would do with the warnings?

Complain to the authors and make them remove the issue.

https://github.com/requests/requests/issues/3954 <https://github.com/requests/requests/issues/3954>
https://github.com/scikit-learn-contrib/sklearn-pandas/issues/76 <https://github.com/scikit-learn-contrib/sklearn-pandas/issues/76>
https://github.com/pandas-dev/pandas/issues/5824 <https://github.com/pandas-dev/pandas/issues/5824>
https://github.com/pypa/setuptools/issues/472 <https://github.com/pypa/setuptools/issues/472>


+1 to re-enable this from me, too. At Facebook we are running unit tests and development builds with warnings. Just be aware that for some applications that will spew a lot. Python 3.6's warnings on invalid escapes is a big source of this.

- Ł
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-dev/attachments/20171105/3fe81b2b/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: Message signed with OpenPGP
URL: <http://mail.python.org/pipermail/python-dev/attachments/20171105/3fe81b2b/attachment.sig>