KIT-3679 some small fixes

Author: oschulzSam

.idea/ai_data_preprocessing_queue.iml

@@ -29,6 +29,6 @@ warn_unused_ignores = true
 # Shows a warning when encountering any code inferred to be unreachable or redundant after performing type analysis.
 warn_unreachable = false
 # Make arguments prepended via Concatenate be truly positional-only.
-strict_concatenate = true
+extra_checks = true
 # Prohibit equality checks, identity checks, and container checks between non-overlapping types.
 strict_equality = true