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When starting the
PyQt5app.exe
produced by
python setup.py build
for the minimal PyQt5 sample contained in cx_Freeze,
a
cx_Freeze: Python error in main script
pops up with a
PyQt5 ModuleNotFoundError: No module named PyQt5.sip
error.
When i add
PyQt5.sip
to the 'includes' in the setup file, i already get an error during the build process after calling
python setup.py build
:
ImportError: No module named 'PyQt5.sip'
.
I can import
PyQt5.sip
in the same python environment that i used to call
python setup.py build
, therefore i don't understand why the error occurs during the build process.
Traceback for execution of
PyQt5app.exe
:
Traceback (most recent call last):
"C:\Users\Dereas\AppData\Local\Programs\Python38\lib\site-packages\cx_Freeze\initscripts\__startup__.py", line 74 in run module.run()
"C:\Users\Dereas\AppData\Local\Programs\Python38\lib\site-packages\cx_Freeze\initscripts\Console.py", line 36 in run exec(code, m.__dict__)
File "PyQt5app.py", line 4 in <module> from
from PyQt5.QtWidgets import QApplication, QWidget
ModuleNotFoundError: No module named 'PyQt5.sip'
Related PR:
Python 3.8.7 x64
Windows 10 x64
python -m pip freeze
:
cx-Freeze==6.5.3
importlib-metadata==3.4.0
PyQt5==5.15.2
PyQt5-sip==12.8.1
zipp==3.4.0
I cannot reproduce this anymore... i guess it was a problem with my environment (even though i observed it on 2 machines with minimal venvs). I noticed that sometimes it is necessary to pip uninstall PyQt5 PyQt5-sip (and PyQt5-Qt in case of PyQt5 5.15.3) when switching PyQt versions... i.e.pip install PyQt5==5.15.2followed by pip install PyQt5==5.15.3 will result in an error when trying to import PyQt5.QtCore (independent of cx_Freeze).
PyQt issues with cx_Freeze can also occur when having different PyQt5 versions installed with in the user packages folder (pip install PyQt5 --user) and in the system site packages folder (pip install PyQt5)
