diff --git a/synchrod/ia.py b/synchrod/ia.py
index ad4d73e..c526a89 100644
--- a/synchrod/ia.py
+++ b/synchrod/ia.py
@@ -15,7 +15,7 @@ def convert(board):
     return t
 
 def hash(p):
-    return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0];
+    return p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0]
 
 moves = [GO_UP, GO_DOWN, GO_LEFT, GO_RIGHT]