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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"QObjectList registered twice when used together with QtScript","articleBody":"Getting this error on init: `QMetaType::registerTypedef: -- Type name 'QObjectList' previously registered as typedef of 'QObjectList' [1032], now registering as typedef of 'QList ' [1074].` because I have a project that still has bits of QtScript and pythonqt at the same time.\n\n\nFrom `qscriptengine.cpp`\n```cpp\nQScriptEnginePrivate::QScriptEnginePrivate()\n    : originalGlobalObjectProxy(0), currentFrame(0),\n      qobjectPrototype(0), qmetaobjectPrototype(0), variantPrototype(0),\n      activeAgent(0), agentLineNumber(-1),\n      registeredScriptValues(0), freeScriptValues(0), freeScriptValuesCount(0),\n      registeredScriptStrings(0), processEventsInterval(-1), inEval(false),\n      uncaughtExceptionLineNumber(-1)\n{\n    qMetaTypeId\u003cQScriptValue\u003e();\n    qMetaTypeId\u003cQList\u003cint\u003e \u003e();\n#ifndef QT_NO_QOBJECT\n    qMetaTypeId\u003cQObjectList\u003e();\n#endif\n```\nand\nhttps://github.com/MeVisLab/pythonqt/blob/f63bee168614c7db787fcaca4f85cb5c99975d52/src/PythonQt.cpp#L124","author":{"url":"https://github.com/JulienMaille","@type":"Person","name":"JulienMaille"},"datePublished":"2026-01-19T08:55:13.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":2},"url":"https://github.com/338/pythonqt/issues/338"}