[PyQt] pyqt5.dll not works since PyQt5.6

Zoltán Balogh balghzoltan at gmail.com
Fri Jan 6 15:29:31 GMT 2017

I had try your solution earlier, and I changed the correct path to locate
the qt designer application. My widget won't load neither.
I had to revert back to earlier version of the pyqt. The designer tells me
the pyqt5.dll failed to load. But I am sure its everything in the right
You don't have this issue with the recent version of the pyqt? I saw that
only the mailing list you had this problem also.

Best Regards

2017-01-06 15:39 GMT+01:00 Kyle Altendorf <hda at fstab.net>:

> On 2017-01-06 09:24, Zoltán Balogh wrote:
>> I don't want to repeat myself, here are the description of the problem.
>> http://stackoverflow.com/questions/41461261/pyqt-designer-
>> custom-widget-plugins-not-loading?noredirect=1#comment70178010_41461261
>> I think someone who using the custom widget capability of the qt designer
>> had this issue also.
> PyQt5 wheels (started in PyQt5.6 iirc) do not include pyqt5.dll as it is a
> development tool.  The wheels are meant as support for distribution.
> I haven't gotten it setup well but I put together a pyqt5-tools package
> that provides the Qt development tools as well as the Designer plugin.
> PyPi won't allow the latest version due to file size but you can get it
> direct from Github.
> https://github.com/altendky/pyqt5-tools/releases/tag/v5.7.dev10
> You can install directly with:
> pip install https://github.com/altendky/pyqt5-tools/releases/download/v5
> .7.dev10/pyqt5_tools-5.7.dev10-cp35-none-win_amd64.whl
> or
> pip install https://github.com/altendky/pyqt5-tools/releases/download/v5
> .7.dev10/pyqt5_tools-5.7.dev10-cp35-none-win32.whl
> Maybe I'll take some time to catch up with v5.7.1 and cp36, but I'm not
> promising anything.
> Cheers,
> -kyle
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