--- a/src/eric7/EricWidgets/EricSingleApplication.py Sun Dec 18 14:19:10 2022 +0100 +++ b/src/eric7/EricWidgets/EricSingleApplication.py Sun Dec 18 19:33:46 2022 +0100 @@ -9,8 +9,8 @@ import os -from eric7 import Utilities from eric7.EricWidgets.EricApplication import ericApp +from eric7.SystemUtilities import OSUtilities from eric7.Toolbox.SingleApplication import ( SingleApplicationClient, SingleApplicationServer, @@ -124,7 +124,7 @@ # flag indicating '--' options was found ddseen = False - argChars = ["-", "/"] if Utilities.isWindowsPlatform() else ["-"] + argChars = ["-", "/"] if OSUtilities.isWindowsPlatform() else ["-"] for arg in args: if arg == "--" and not ddseen: