- fixed the issue with toggling visibility for Excellon objects

- fixed some issue when using Python 3.10

appPlugins/ToolQRCode.py

@@ -19,7 +19,7 @@ from shapely.affinity import translate
 from shapely.geometry import box
 
 from io import StringIO, BytesIO
-from collections import Iterable
+from collections.abc import Iterable
 import logging
 from copy import deepcopy