[PyQt] pyQt5 5.7 wheel and sql driver

[Paolo De Stefani]

Hi all
In my computer (windows 10 x64) i have this configuration:
python 3.4 and pyqt4 installed in c:\Program Files (x86)\Python34-32\
python 3.5 and pyqt5 installed in c:\Program Files (x86)\Python35-32\

in python 3.4 pyqt was installed from 
PyQt4-4.11.4-gpl-Py3.4-Qt4.8.7-x32.exe
in python 3.5 pyqt was installed from 
PyQt5-5.6-gpl-Py3.5-Qt5.6.0-x32-2.exe

Everything works fine and i can run from wing-ide personal python 
application for python 3.4 and python 3.5 without any problem. In 
particular i'm using a small application that works with a postgresql 
database written for pyqt4 and rewritten for pyqt5 that works great

Now i've uninstall pyqt5 5.6 and installed pyqt5 5.7 with the command 
'pip3 install pyqt5'

My program now can't access the database, i get an 'driver not loaded' 
error message.

I've used depends.exe to get the attatched png immages, looks like in 
pyqt5 5.7 libpq is required while this is not in pyqt5 5.6

I've installed postgresql 9.5 x64
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