[PyQt] PyQt 5.7: can't import QtCore

[Timothy W. Grove]

I nearly posted this question myself!

I use Eclipse with PyDev for development and it reported this error 
after installing PyQt5.7 via pip. I then uninstalled my previous 
versions of both PyQt5.6 and sip, tried installing PyQt5.7 again with 
pip, and everything worked okay after that.

Best regards,
Tim


On 28/07/2016 14:45, Sibylle Koczian wrote:
> Hello,
>
> I just installed PyQt 5.7 using pip on Windows 10, Python 3.5.2, but I 
> can't use it:
>
> Python 3.5.2 (v3.5.2:4def2a2901a5, Jun 25 2016, 22:18:55) [MSC v.1900 
> 64 bit (AMD64)] on win32
> Type "copyright", "credits" or "license()" for more information.
> >>> from PyQt5 import QtCore
> Traceback (most recent call last):
>   File "<pyshell#0>", line 1, in <module>
>     from PyQt5 import QtCore
> ImportError: DLL load failed: Die angegebene Prozedur wurde nicht 
> gefunden. (The specified procedure could not be found)
>
> Importing PyQt5 doesn't help:
>
> >>> import PyQt5
> >>> xx = PyQt5.QtCore.QCoreApplication()
> Traceback (most recent call last):
>   File "<pyshell#3>", line 1, in <module>
>     xx = PyQt5.QtCore.QCoreApplication()
> AttributeError: module 'PyQt5' has no attribute 'QtCore'
>
> Python is installed for all users and it's located in "c:\program 
> files\python35". Which hasn't been a problem for PyQt5 5.6.
>
> The installation of 5.7 didn't produce any error messages.
>
> What can I do? Which additional information should I provide?
>
> Thank you for help,
> Sibylle
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