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List:       pykde
Subject:    Re: PyQt6: ImportError: DLL load failed while importing QtGui
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2022-04-15 12:06:33
Message-ID: 1a97d956ad72f8ad15248988b0a28e6e () riverbankcomputing ! com
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On 15/04/2022 13:04, Phil Thompson wrote:
> On 15/04/2022 12:45, Ales Erjavec wrote:
>> Hi
>> 
>> Since PyQt6 6.3.0 was released, installing PyQt6 with:
>> 
>> pip install PyQt6==6.2.3
>> 
>> installs PyQt6==6.2.3 and PyQt6-Qt6==6.3.0
>> 
>> On Windows this combination raises an:
>> 
>> ImportError: DLL load failed while importing QtGui: The specified
>> procedure could not be found.
>> 
>> when trying to import QtGui (on linux and macos this combination seems 
>> to work).
>> 
>> As I understand PyQt6 should in general work with newer Qt releases.
>> 
>> Should we always specify PyQt6 and PyQt6-Qt6 versions together to get
>> a consistent env?
> 
> That would suggest that Qt v6.3.0 is not binary forward compatible
> with Qt v6.2 on Windows - which would be a bug. However it could also
> be a missing DLL that QtGui v6.3 is dependent on.

Actually that second point can't be the case as it would also fail for 
PyQt v6.3.

Phil
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