--- a/checker.py	Thu Jun 23 16:54:08 2016 +0800
+++ b/checker.py	Thu Jun 23 19:38:59 2016 +0800
@@ -144,7 +144,8 @@
                 cmd = lc['exec']
                 flags = lc.get('flags', []) + linter.get('flags', [])
                 pf = lc.get('post_flags', []) + linter.get('post_flags', [])
-                if not run(cmd + flags + [f] + pf, ignore_codes=(1,)):
+                codes = lc.get('codes', (1,))
+                if not run(cmd + flags + [f] + pf, ignore_codes=codes):
                     ok = False
                     break