diff --git a/test/regression/utils.py b/test/regression/utils.py
index 5c84bcc58..0efebcd2b 100644
--- a/test/regression/utils.py
+++ b/test/regression/utils.py
@@ -56,7 +56,6 @@ def hashing(file,pp):
         res = 0
         for t in instring:
             res = (ord(t) + (res<<6) + (res<<16) - res) % 2**32
-            os
         return res
 
     return hex(myhash(file.replace('\\','/')+":"+pp))