PySide2 "Failed to parse extension manifest"
Unsolved
QtWebEngine
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Re: [ERROR:extension_system_qt.cpp(122)] Failed to parse extension manifest.](/topic/110129/error-extension_system_qt-cpp-122-failed-to-parse-extension-manifest)
This error is caused when you have QT installed alongside PySide. I'm uncertain as to the complete nature of the bug, but it seems that having the QT paths alongside the PySide paths creates issues with some widgets and this is one example. Removing QT itself / the paths fixes this issue.