Bug#980221: pyqt-qwt: Please build-depend on sip-tools instead of sip5-tools

[Gudjon I. Gudjonsson]

Hi Dmitry

On Wednesday, 27 January 2021 18:33:31 CET you wrote:
> I see you have committed the change to git — thanks!
> 
> Will you mind if I add DPT to Uploaders and upload this?
Please do. Thanks a lot.

Regards
Gudjon