--- a/eric6/DebugClients/Python/DebugUtilities.py Sun Feb 16 16:14:25 2020 +0100 +++ b/eric6/DebugClients/Python/DebugUtilities.py Sun Feb 16 19:36:46 2020 +0100 @@ -242,7 +242,7 @@ @return modified argument list @rtype list of str """ - args = arguments[:] # create a copy of the arguments list + args = list(arguments[:]) # create a copy of the arguments list # support for shebang line program = os.path.basename(args[0]).lower()