As I understand it, an official version of PyQt5 for Python 2.7 isn't provided because of potential memory corruption issues resulting from mixing the MSVC90 of Python 2.7 with the MSVC140 needed to build PyQt5. There's a reasonably thorough explanation of the issues here:
Hi,
As I understand it, an official version of PyQt5 for Python 2.7 isn't provided because of potential memory corruption issues resulting from mixing the MSVC90 of Python 2.7 with the MSVC140 needed to build PyQt5. There's a reasonably thorough explanation of the issues here:
http://siomsystems.com/mixing-visual-studio-versions/
Have you mitigated this issue somehow, or is it more cross-your-fingers-and-hope-nothing-crashes? :-)
Thanks!