From ec4a1bd1ffc633fa9b429314978ef3fa38ababae Mon Sep 17 00:00:00 2001
From: Christian Clauss <cclauss@me.com>
Date: Wed, 25 Sep 2019 22:09:24 +0200
Subject: [PATCH] Fix the build typo: fn --> fn1

---
 maths/matrix_exponentiation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/maths/matrix_exponentiation.py b/maths/matrix_exponentiation.py
index ee9e1757687c..f80f6c3cad5e 100644
--- a/maths/matrix_exponentiation.py
+++ b/maths/matrix_exponentiation.py
@@ -64,7 +64,7 @@ def simple_fibonacci(n, f1, f2):
         fn_1, fn_2 = fn_1 + fn_2, fn_1
         n -= 1
 
-    return fn
+    return fn_1
 
 
 def matrix_exponentiation_time():