--- a/eric6/IconEditor/IconEditorGrid.py	Wed Apr 28 19:42:28 2021 +0200
+++ b/eric6/IconEditor/IconEditorGrid.py	Thu Apr 29 17:39:17 2021 +0200
@@ -91,6 +91,7 @@
     sizeChanged = pyqtSignal(int, int)
     zoomChanged = pyqtSignal(int)
     
+    # convert to Enum
     Pencil = 1
     Rubber = 2
     Line = 3
@@ -103,6 +104,7 @@
     Fill = 10
     ColorPicker = 11
     
+    # convert to Enum
     RectangleSelection = 20
     CircleSelection = 21