--- meshroom.orig/meshroom/ui/app.py	2021-03-01 16:44:31.268547600 +0000
+++ meshroom/meshroom/ui/app.py	2021-03-01 16:49:33.466725600 +0000
@@ -284,7 +284,6 @@
             return md
         return markdown(md)
 
-    @Property(QJsonValue, constant=True)
     def systemInfo(self):
         import platform
         import sys
@@ -292,8 +291,8 @@
             'platform': '{} {}'.format(platform.system(), platform.release()),
             'python': 'Python {}'.format(sys.version.split(" ")[0])
         }
+    systemInfo = Property(QJsonValue, fget=systemInfo, constant=True)
 
-    @Property("QVariantList", constant=True)
     def licensesModel(self):
         """
         Get info about open-source licenses for the application.
@@ -315,6 +314,7 @@
                 "onlineUrl": "https://raw.githubusercontent.com/alicevision/AliceVision/develop/COPYING.md"
             }
         ]
+    licensesModel = Property("QVariantList", fget=licensesModel, constant=True)
 
     recentProjectFilesChanged = Signal()
     recentProjectFiles = Property("QVariantList", _recentProjectFiles, notify=recentProjectFilesChanged)
--- meshroom.orig/meshroom/ui/reconstruction.py	2021-03-01 16:44:31.313764800 +0000
+++ meshroom/meshroom/ui/reconstruction.py	2021-03-01 16:50:33.238323700 +0000
@@ -249,10 +249,10 @@
             self._undistortedImagePath = os.path.join(self._activeNode_PrepareDenseScene.node.output.value, filename)
         self.denseSceneParamsChanged.emit()
 
-    @Property(type=QObject, constant=True)
     def attribute(self):
         """ Get the underlying Viewpoint attribute wrapped by this Viewpoint. """
         return self._viewpoint
+    attribute = Property(QObject, fget=attribute, constant=True)
 
     @Property(type="QVariant", notify=initialParamsChanged)
     def initialIntrinsics(self):