devel-warn in 3.8-rc

[Yuya Nishihara]

On Sat, 23 Apr 2016 12:51:51 +0200, Marcel Svitalský wrote:
> Hello everybody,
> 
> I keep getting these lines:
> 
>     devel-warn: missing attribute 'norepo', use @command decorator to
>     register 'collapse'
>     (compatibility will be dropped after Mercurial-3.8, update your
>     code.) at: /usr/local/lib/python2.7/dist-packages/hgext/mq.py:3570
>     (dotable)
> 
> at the beginning of every Mercurial command's output ever since 3.8-rc
> became stable (I use only stable branch).
> 
> I use these extensions:
> 
>     color
>     purge
>     rebase
>     graphlog
>     extdiff
>     convert
>     fetch
>     hgsubversion
>     hggit         0.8.5 (dulwich 0.8.7)
>     strip
>     mq
>     histedit
>     pager
>     shelve
>     record
>     gpg
>     collapse
> 
> 
> Does anyone know what those lines mean (namely whether they are
> important to me as a user) and more importantly how to get rid of them

Disable the collapse extension, or fix it (or ask the author) to use
@command decorator.

https://www.mercurial-scm.org/wiki/WritingExtensions#Command_table