private static boolean isAbstract(@NotNull PyClass pyClass) { final PyType metaClass = pyClass.getMetaClassType( TypeEvalContext.userInitiated(pyClass.getProject(), pyClass.getContainingFile())); if (metaClass instanceof PyClassLikeType && PyNames.ABC_META_CLASS.equals(metaClass.getName())) { return true; } if (metaClass == null) { final PyExpression metaClassExpr = as(pyClass.getMetaClassExpression(), PyReferenceExpression.class); if (metaClassExpr != null && PyNames.ABC_META_CLASS.equals(metaClassExpr.getName())) { return true; } } for (PyFunction method : pyClass.getMethods(false)) { if (PyUtil.isDecoratedAsAbstract(method)) { return true; } } return false; }