Make the db managers import function more robust towards (some types of) invalid layers.

sickel · web-flow · commit ead85b1004fe · 2021-01-27T18:17:17.000+10:00
Fix #41152
diff --git a/python/plugins/db_manager/dlg_import_vector.py b/python/plugins/db_manager/dlg_import_vector.py
@@ -132,7 +132,7 @@ def populateLayers(self):
         for nodeLayer in QgsProject.instance().layerTreeRoot().findLayers():
             layer = nodeLayer.layer()
             # TODO: add import raster support!
-            if layer.type() == QgsMapLayerType.VectorLayer:
+            if layer is not None and layer.type() == QgsMapLayerType.VectorLayer:
                 self.cboInputLayer.addItem(layer.name(), layer.id())
 
     def deleteInputLayer(self):
