check-settings doesn't spit errors when invoked w/o args

src/check-settings.py

@@ -100,6 +100,8 @@ def get_args():
         print("'--no-prompt' set")
     if args.check:
         print("--check set", args.check)
+    else:
+        args.check = "settings.toml"
     return args.no_prompt, args.check
 
 def main(is_no_prompt, user_conf_file="settings.toml"):