diff --git a/contrib/check-code.py b/contrib/check-code.py
--- a/contrib/check-code.py
+++ b/contrib/check-code.py
@@ -511,6 +511,7 @@
     (r'getopt\.getopt', "use pycompat.getoptb instead (py3)"),
     (r'os\.getenv', "use encoding.environ.get instead"),
     (r'os\.setenv', "modifying the environ dict is not preferred"),
+    (r'(?<!pycompat\.)xrange', "use pycompat.xrange instead (py3)"),
   ],
   # warnings
   [],