Index: tests/pybin/settings.py
===================================================================
--- tests/pybin/settings.py	(revision f58522b05a8f78072879b14d46c767b3c9209e06)
+++ tests/pybin/settings.py	(revision a5ea26135d5db981be7cff8e27809ec6e169064e)
@@ -126,4 +126,5 @@
 	global archive
 	global install
+	global invariant
 
 	global continue_
@@ -140,4 +141,5 @@
 	all_install  = [Install(o)      for o in list(dict.fromkeys(options.install))]
 	archive      = os.path.abspath(os.path.join(original_path, options.archive_errors)) if options.archive_errors else None
+	invariant    = options.invariant
 	continue_    = options.continue_
 	dry_run      = options.dry_run # must be called before tools.config_hash()