From 1bf689951bbba98e56b86e6c3d294a1dcf48374b Mon Sep 17 00:00:00 2001
From: Eryn Wells <eryn@erynwells.me>
Date: Sat, 30 Sep 2017 11:42:49 -0700
Subject: [PATCH] Fix a typo

---
 tictactoe.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tictactoe.py b/tictactoe.py
index 7a2e40f..224b303 100644
--- a/tictactoe.py
+++ b/tictactoe.py
@@ -76,8 +76,8 @@ class Board:
                 return result
 
         # Check diagonals.
-        for d_idx in [(0, 4, 8), (2, 4, 6)]:
-            diag = b[0] + b[4] + b[8]
+        for x,y,z in [(0, 4, 8), (2, 4, 6)]:
+            diag = b[x] + b[y] + b[z]
             result = __check(col)
             if result:
                 return result